Integrand size = 12, antiderivative size = 478 \[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=-\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}+\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}-\frac {a b^3 \log (x)}{\left (1+a^2\right )^2}-\frac {a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}+\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}} \]
[Out]
Time = 1.16 (sec) , antiderivative size = 478, normalized size of antiderivative = 1.00, number of steps used = 40, number of rules used = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.333, Rules used = {5859, 5828, 5843, 3406, 3405, 3403, 2296, 2221, 2317, 2438, 2747, 31, 6873, 12, 6874, 32} \[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {a^2+1}}\right )}{3 \left (a^2+1\right )^{3/2}}-\frac {a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {a^2+1}}\right )}{\left (a^2+1\right )^{5/2}}-\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {a^2+1}}\right )}{3 \left (a^2+1\right )^{3/2}}+\frac {a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {a^2+1}}\right )}{\left (a^2+1\right )^{5/2}}+\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {a^2+1}}\right )}{3 \left (a^2+1\right )^{3/2}}-\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {a^2+1}}\right )}{\left (a^2+1\right )^{5/2}}-\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{\sqrt {a^2+1}+a}\right )}{3 \left (a^2+1\right )^{3/2}}+\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{\sqrt {a^2+1}+a}\right )}{\left (a^2+1\right )^{5/2}}+\frac {a b^2 \sqrt {(a+b x)^2+1} \text {arcsinh}(a+b x)}{\left (a^2+1\right )^2 x}-\frac {b \sqrt {(a+b x)^2+1} \text {arcsinh}(a+b x)}{3 \left (a^2+1\right ) x^2}-\frac {a b^3 \log (x)}{\left (a^2+1\right )^2}-\frac {b^2}{3 \left (a^2+1\right ) x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3} \]
[In]
[Out]
Rule 12
Rule 31
Rule 32
Rule 2221
Rule 2296
Rule 2317
Rule 2438
Rule 2747
Rule 3403
Rule 3405
Rule 3406
Rule 5828
Rule 5843
Rule 5859
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\text {arcsinh}(x)^2}{\left (-\frac {a}{b}+\frac {x}{b}\right )^4} \, dx,x,a+b x\right )}{b} \\ & = -\frac {\text {arcsinh}(a+b x)^2}{3 x^3}+\frac {2}{3} \text {Subst}\left (\int \frac {\text {arcsinh}(x)}{\left (-\frac {a}{b}+\frac {x}{b}\right )^3 \sqrt {1+x^2}} \, dx,x,a+b x\right ) \\ & = -\frac {\text {arcsinh}(a+b x)^2}{3 x^3}+\frac {2}{3} \text {Subst}\left (\int \frac {x}{\left (-\frac {a}{b}+\frac {\sinh (x)}{b}\right )^3} \, dx,x,\text {arcsinh}(a+b x)\right ) \\ & = -\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}+\frac {b \text {Subst}\left (\int \frac {\cosh (x)}{\left (-\frac {a}{b}+\frac {\sinh (x)}{b}\right )^2} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )}-\frac {b \text {Subst}\left (\int \frac {x \sinh (x)}{\left (-\frac {a}{b}+\frac {\sinh (x)}{b}\right )^2} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )}-\frac {(2 a b) \text {Subst}\left (\int \frac {x}{\left (-\frac {a}{b}+\frac {\sinh (x)}{b}\right )^2} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )} \\ & = -\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {2 a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {b \text {Subst}\left (\int \frac {b^2 x \sinh (x)}{(a-\sinh (x))^2} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )}-\frac {\left (2 a b^2\right ) \text {Subst}\left (\int \frac {\cosh (x)}{-\frac {a}{b}+\frac {\sinh (x)}{b}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^2}+\frac {\left (2 a^2 b^2\right ) \text {Subst}\left (\int \frac {x}{-\frac {a}{b}+\frac {\sinh (x)}{b}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^2}+\frac {b^2 \text {Subst}\left (\int \frac {1}{\left (-\frac {a}{b}+x\right )^2} \, dx,x,\frac {a}{b}+x\right )}{3 \left (1+a^2\right )} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {2 a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}+\frac {\left (4 a^2 b^2\right ) \text {Subst}\left (\int \frac {e^x x}{-\frac {1}{b}-\frac {2 a e^x}{b}+\frac {e^{2 x}}{b}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^2}-\frac {\left (2 a b^3\right ) \text {Subst}\left (\int \frac {1}{-\frac {a}{b}+x} \, dx,x,\frac {a}{b}+x\right )}{3 \left (1+a^2\right )^2}-\frac {b^3 \text {Subst}\left (\int \frac {x \sinh (x)}{(a-\sinh (x))^2} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {2 a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {2 a b^3 \log (x)}{3 \left (1+a^2\right )^2}+\frac {\left (4 a^2 b^2\right ) \text {Subst}\left (\int \frac {e^x x}{-\frac {2 a}{b}-\frac {2 \sqrt {1+a^2}}{b}+\frac {2 e^x}{b}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {\left (4 a^2 b^2\right ) \text {Subst}\left (\int \frac {e^x x}{-\frac {2 a}{b}+\frac {2 \sqrt {1+a^2}}{b}+\frac {2 e^x}{b}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {b^3 \text {Subst}\left (\int \left (\frac {a x}{(a-\sinh (x))^2}-\frac {x}{a-\sinh (x)}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {2 a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {2 a b^3 \log (x)}{3 \left (1+a^2\right )^2}-\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \log \left (1+\frac {2 e^x}{\left (-\frac {2 a}{b}-\frac {2 \sqrt {1+a^2}}{b}\right ) b}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \log \left (1+\frac {2 e^x}{\left (-\frac {2 a}{b}+\frac {2 \sqrt {1+a^2}}{b}\right ) b}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {b^3 \text {Subst}\left (\int \frac {x}{a-\sinh (x)} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )}-\frac {\left (a b^3\right ) \text {Subst}\left (\int \frac {x}{(a-\sinh (x))^2} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {2 a b^3 \log (x)}{3 \left (1+a^2\right )^2}-\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {2 x}{\left (-\frac {2 a}{b}-\frac {2 \sqrt {1+a^2}}{b}\right ) b}\right )}{x} \, dx,x,e^{\text {arcsinh}(a+b x)}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {2 x}{\left (-\frac {2 a}{b}+\frac {2 \sqrt {1+a^2}}{b}\right ) b}\right )}{x} \, dx,x,e^{\text {arcsinh}(a+b x)}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {\left (a b^3\right ) \text {Subst}\left (\int \frac {\cosh (x)}{a-\sinh (x)} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^2}-\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \frac {x}{a-\sinh (x)} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^2}+\frac {\left (2 b^3\right ) \text {Subst}\left (\int \frac {e^x x}{1+2 a e^x-e^{2 x}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {2 a b^3 \log (x)}{3 \left (1+a^2\right )^2}-\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {\left (a b^3\right ) \text {Subst}\left (\int \frac {1}{a+x} \, dx,x,-a-b x\right )}{3 \left (1+a^2\right )^2}-\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \frac {e^x x}{1+2 a e^x-e^{2 x}} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^2}-\frac {\left (2 b^3\right ) \text {Subst}\left (\int \frac {e^x x}{2 a-2 \sqrt {1+a^2}-2 e^x} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {\left (2 b^3\right ) \text {Subst}\left (\int \frac {e^x x}{2 a+2 \sqrt {1+a^2}-2 e^x} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{3/2}} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {2 a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}-\frac {a b^3 \log (x)}{\left (1+a^2\right )^2}-\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \frac {e^x x}{2 a-2 \sqrt {1+a^2}-2 e^x} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {\left (2 a^2 b^3\right ) \text {Subst}\left (\int \frac {e^x x}{2 a+2 \sqrt {1+a^2}-2 e^x} \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {b^3 \text {Subst}\left (\int \log \left (1-\frac {2 e^x}{2 a-2 \sqrt {1+a^2}}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {b^3 \text {Subst}\left (\int \log \left (1-\frac {2 e^x}{2 a+2 \sqrt {1+a^2}}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{3/2}} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}+\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}-\frac {a b^3 \log (x)}{\left (1+a^2\right )^2}-\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \log \left (1-\frac {2 e^x}{2 a-2 \sqrt {1+a^2}}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \log \left (1-\frac {2 e^x}{2 a+2 \sqrt {1+a^2}}\right ) \, dx,x,\text {arcsinh}(a+b x)\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {b^3 \text {Subst}\left (\int \frac {\log \left (1-\frac {2 x}{2 a-2 \sqrt {1+a^2}}\right )}{x} \, dx,x,e^{\text {arcsinh}(a+b x)}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {b^3 \text {Subst}\left (\int \frac {\log \left (1-\frac {2 x}{2 a+2 \sqrt {1+a^2}}\right )}{x} \, dx,x,e^{\text {arcsinh}(a+b x)}\right )}{3 \left (1+a^2\right )^{3/2}} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}+\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}-\frac {a b^3 \log (x)}{\left (1+a^2\right )^2}-\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}+\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {2 a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {2 x}{2 a-2 \sqrt {1+a^2}}\right )}{x} \, dx,x,e^{\text {arcsinh}(a+b x)}\right )}{3 \left (1+a^2\right )^{5/2}}-\frac {\left (a^2 b^3\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {2 x}{2 a+2 \sqrt {1+a^2}}\right )}{x} \, dx,x,e^{\text {arcsinh}(a+b x)}\right )}{3 \left (1+a^2\right )^{5/2}} \\ & = -\frac {b^2}{3 \left (1+a^2\right ) x}-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{3 \left (1+a^2\right ) x^2}+\frac {a b^2 \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right )^2 x}-\frac {\text {arcsinh}(a+b x)^2}{3 x^3}-\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}+\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {a^2 b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {b^3 \text {arcsinh}(a+b x) \log \left (1-\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}-\frac {a b^3 \log (x)}{\left (1+a^2\right )^2}-\frac {a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}+\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a-\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}}+\frac {a^2 b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {b^3 \operatorname {PolyLog}\left (2,\frac {e^{\text {arcsinh}(a+b x)}}{a+\sqrt {1+a^2}}\right )}{3 \left (1+a^2\right )^{3/2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 10.00 (sec) , antiderivative size = 1830, normalized size of antiderivative = 3.83 \[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\frac {1}{3} \left (-\frac {b \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)}{\left (1+a^2\right ) x^2}-\frac {\text {arcsinh}(a+b x)^2}{x^3}-\frac {b^2 \left (1+a^2-3 a \sqrt {1+(a+b x)^2} \text {arcsinh}(a+b x)\right )}{\left (1+a^2\right )^2 x}+\frac {i b^3 \pi \text {arctanh}\left (\frac {-1-a \tanh \left (\frac {1}{2} \text {arcsinh}(a+b x)\right )}{\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {2 i a^2 b^3 \pi \text {arctanh}\left (\frac {-1-a \tanh \left (\frac {1}{2} \text {arcsinh}(a+b x)\right )}{\sqrt {1+a^2}}\right )}{\left (1+a^2\right )^{5/2}}-\frac {3 a b^3 \log \left (-\frac {b x}{a}\right )}{\left (1+a^2\right )^2}+\frac {b^3 \left (-2 \arccos (i a) \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )-(\pi -2 i \text {arcsinh}(a+b x)) \text {arctanh}\left (\frac {(i+a) \tan \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )+\left (\arccos (i a)+2 i \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )+2 i \text {arctanh}\left (\frac {(i+a) \tan \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right ) \log \left (\frac {\sqrt {-1-a^2} e^{-\frac {1}{2} \text {arcsinh}(a+b x)}}{\sqrt {2} \sqrt {b x}}\right )+\left (\arccos (i a)-2 i \left (\text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )+\text {arctanh}\left (\frac {(i+a) \tan \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right )\right ) \log \left (\frac {i \sqrt {-1-a^2} e^{\frac {1}{2} \text {arcsinh}(a+b x)}}{\sqrt {2} \sqrt {b x}}\right )-\left (\arccos (i a)+2 i \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right ) \log \left (\frac {(i+a) \left (a+i \left (-1+\sqrt {-1-a^2}\right )\right ) \left (i+\cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{i+a-\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )-\left (\arccos (i a)-2 i \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right ) \log \left (\frac {(i+a) \left (a-i \left (1+\sqrt {-1-a^2}\right )\right ) \left (-i+\cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{-i-a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )+i \left (\operatorname {PolyLog}\left (2,-\frac {\left (-i a+\sqrt {-1-a^2}\right ) \left (i+a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{-i-a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )-\operatorname {PolyLog}\left (2,\frac {\left (i a+\sqrt {-1-a^2}\right ) \left (i+a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{-i-a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )\right )\right )}{\left (-1-a^2\right )^{5/2}}-\frac {2 a^2 b^3 \left (-2 \arccos (i a) \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )-(\pi -2 i \text {arcsinh}(a+b x)) \text {arctanh}\left (\frac {(i+a) \tan \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )+\left (\arccos (i a)+2 i \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )+2 i \text {arctanh}\left (\frac {(i+a) \tan \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right ) \log \left (\frac {\sqrt {-1-a^2} e^{-\frac {1}{2} \text {arcsinh}(a+b x)}}{\sqrt {2} \sqrt {b x}}\right )+\left (\arccos (i a)-2 i \left (\text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )+\text {arctanh}\left (\frac {(i+a) \tan \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right )\right ) \log \left (\frac {i \sqrt {-1-a^2} e^{\frac {1}{2} \text {arcsinh}(a+b x)}}{\sqrt {2} \sqrt {b x}}\right )-\left (\arccos (i a)+2 i \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right ) \log \left (\frac {(i+a) \left (a+i \left (-1+\sqrt {-1-a^2}\right )\right ) \left (i+\cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{i+a-\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )-\left (\arccos (i a)-2 i \text {arctanh}\left (\frac {(-i+a) \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}{\sqrt {-1-a^2}}\right )\right ) \log \left (\frac {(i+a) \left (a-i \left (1+\sqrt {-1-a^2}\right )\right ) \left (-i+\cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{-i-a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )+i \left (\operatorname {PolyLog}\left (2,-\frac {\left (-i a+\sqrt {-1-a^2}\right ) \left (i+a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{-i-a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )-\operatorname {PolyLog}\left (2,\frac {\left (i a+\sqrt {-1-a^2}\right ) \left (i+a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )\right )}{-i-a+\sqrt {-1-a^2} \cot \left (\frac {1}{4} (\pi +2 i \text {arcsinh}(a+b x))\right )}\right )\right )\right )}{\left (-1-a^2\right )^{5/2}}\right ) \]
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Time = 0.41 (sec) , antiderivative size = 764, normalized size of antiderivative = 1.60
method | result | size |
derivativedivides | \(b^{3} \left (-\frac {a^{4} \operatorname {arcsinh}\left (b x +a \right )^{2}-4 \,\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a^{3}+7 \,\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a^{2} \left (b x +a \right )-3 \,\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a \left (b x +a \right )^{2}-3 \,\operatorname {arcsinh}\left (b x +a \right ) a^{4}+9 \,\operatorname {arcsinh}\left (b x +a \right ) a^{3} \left (b x +a \right )-9 \,\operatorname {arcsinh}\left (b x +a \right ) a^{2} \left (b x +a \right )^{2}+3 \,\operatorname {arcsinh}\left (b x +a \right ) a \left (b x +a \right )^{3}+2 a^{2} \operatorname {arcsinh}\left (b x +a \right )^{2}+a^{4}-2 a^{3} \left (b x +a \right )+a^{2} \left (b x +a \right )^{2}-\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a +\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, \left (b x +a \right )+\operatorname {arcsinh}\left (b x +a \right )^{2}+a^{2}-2 a \left (b x +a \right )+\left (b x +a \right )^{2}}{3 \left (a^{2}+1\right )^{2} b^{3} x^{3}}+\frac {2 a \ln \left (b x +a +\sqrt {1+\left (b x +a \right )^{2}}\right )}{\left (a^{2}+1\right )^{2}}-\frac {a \ln \left (2 a \left (b x +a +\sqrt {1+\left (b x +a \right )^{2}}\right )-\left (b x +a +\sqrt {1+\left (b x +a \right )^{2}}\right )^{2}+1\right )}{\left (a^{2}+1\right )^{2}}-\frac {\operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {\operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}-\frac {\operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {\operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {2 a^{2} \operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}-\frac {2 a^{2} \operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {2 a^{2} \operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}-\frac {2 a^{2} \operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}\right )\) | \(764\) |
default | \(b^{3} \left (-\frac {a^{4} \operatorname {arcsinh}\left (b x +a \right )^{2}-4 \,\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a^{3}+7 \,\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a^{2} \left (b x +a \right )-3 \,\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a \left (b x +a \right )^{2}-3 \,\operatorname {arcsinh}\left (b x +a \right ) a^{4}+9 \,\operatorname {arcsinh}\left (b x +a \right ) a^{3} \left (b x +a \right )-9 \,\operatorname {arcsinh}\left (b x +a \right ) a^{2} \left (b x +a \right )^{2}+3 \,\operatorname {arcsinh}\left (b x +a \right ) a \left (b x +a \right )^{3}+2 a^{2} \operatorname {arcsinh}\left (b x +a \right )^{2}+a^{4}-2 a^{3} \left (b x +a \right )+a^{2} \left (b x +a \right )^{2}-\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, a +\operatorname {arcsinh}\left (b x +a \right ) \sqrt {1+\left (b x +a \right )^{2}}\, \left (b x +a \right )+\operatorname {arcsinh}\left (b x +a \right )^{2}+a^{2}-2 a \left (b x +a \right )+\left (b x +a \right )^{2}}{3 \left (a^{2}+1\right )^{2} b^{3} x^{3}}+\frac {2 a \ln \left (b x +a +\sqrt {1+\left (b x +a \right )^{2}}\right )}{\left (a^{2}+1\right )^{2}}-\frac {a \ln \left (2 a \left (b x +a +\sqrt {1+\left (b x +a \right )^{2}}\right )-\left (b x +a +\sqrt {1+\left (b x +a \right )^{2}}\right )^{2}+1\right )}{\left (a^{2}+1\right )^{2}}-\frac {\operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {\operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}-\frac {\operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {\operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {2 a^{2} \operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}-\frac {2 a^{2} \operatorname {arcsinh}\left (b x +a \right ) \ln \left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}+\frac {2 a^{2} \operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}-b x -\sqrt {1+\left (b x +a \right )^{2}}}{a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}-\frac {2 a^{2} \operatorname {dilog}\left (\frac {\sqrt {a^{2}+1}+b x +\sqrt {1+\left (b x +a \right )^{2}}}{-a +\sqrt {a^{2}+1}}\right )}{3 \left (a^{2}+1\right )^{\frac {5}{2}}}\right )\) | \(764\) |
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\[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\int { \frac {\operatorname {arsinh}\left (b x + a\right )^{2}}{x^{4}} \,d x } \]
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\[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\int \frac {\operatorname {asinh}^{2}{\left (a + b x \right )}}{x^{4}}\, dx \]
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\[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\int { \frac {\operatorname {arsinh}\left (b x + a\right )^{2}}{x^{4}} \,d x } \]
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\[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\int { \frac {\operatorname {arsinh}\left (b x + a\right )^{2}}{x^{4}} \,d x } \]
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Timed out. \[ \int \frac {\text {arcsinh}(a+b x)^2}{x^4} \, dx=\int \frac {{\mathrm {asinh}\left (a+b\,x\right )}^2}{x^4} \,d x \]
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