Integrand size = 24, antiderivative size = 105 \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=-\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {(a+b \text {arcsinh}(c x))^2 \log \left (1+e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}+\frac {b (a+b \text {arcsinh}(c x)) \operatorname {PolyLog}\left (2,-e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}-\frac {b^2 \operatorname {PolyLog}\left (3,-e^{2 \text {arcsinh}(c x)}\right )}{2 c^2 d} \]
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Time = 0.14 (sec) , antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {5797, 3799, 2221, 2611, 2320, 6724} \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\frac {b \operatorname {PolyLog}\left (2,-e^{2 \text {arcsinh}(c x)}\right ) (a+b \text {arcsinh}(c x))}{c^2 d}-\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {\log \left (e^{2 \text {arcsinh}(c x)}+1\right ) (a+b \text {arcsinh}(c x))^2}{c^2 d}-\frac {b^2 \operatorname {PolyLog}\left (3,-e^{2 \text {arcsinh}(c x)}\right )}{2 c^2 d} \]
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Rule 2221
Rule 2320
Rule 2611
Rule 3799
Rule 5797
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int (a+b x)^2 \tanh (x) \, dx,x,\text {arcsinh}(c x)\right )}{c^2 d} \\ & = -\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {2 \text {Subst}\left (\int \frac {e^{2 x} (a+b x)^2}{1+e^{2 x}} \, dx,x,\text {arcsinh}(c x)\right )}{c^2 d} \\ & = -\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {(a+b \text {arcsinh}(c x))^2 \log \left (1+e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}-\frac {(2 b) \text {Subst}\left (\int (a+b x) \log \left (1+e^{2 x}\right ) \, dx,x,\text {arcsinh}(c x)\right )}{c^2 d} \\ & = -\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {(a+b \text {arcsinh}(c x))^2 \log \left (1+e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}+\frac {b (a+b \text {arcsinh}(c x)) \operatorname {PolyLog}\left (2,-e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}-\frac {b^2 \text {Subst}\left (\int \operatorname {PolyLog}\left (2,-e^{2 x}\right ) \, dx,x,\text {arcsinh}(c x)\right )}{c^2 d} \\ & = -\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {(a+b \text {arcsinh}(c x))^2 \log \left (1+e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}+\frac {b (a+b \text {arcsinh}(c x)) \operatorname {PolyLog}\left (2,-e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}-\frac {b^2 \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,-x)}{x} \, dx,x,e^{2 \text {arcsinh}(c x)}\right )}{2 c^2 d} \\ & = -\frac {(a+b \text {arcsinh}(c x))^3}{3 b c^2 d}+\frac {(a+b \text {arcsinh}(c x))^2 \log \left (1+e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}+\frac {b (a+b \text {arcsinh}(c x)) \operatorname {PolyLog}\left (2,-e^{2 \text {arcsinh}(c x)}\right )}{c^2 d}-\frac {b^2 \operatorname {PolyLog}\left (3,-e^{2 \text {arcsinh}(c x)}\right )}{2 c^2 d} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(281\) vs. \(2(105)=210\).
Time = 0.21 (sec) , antiderivative size = 281, normalized size of antiderivative = 2.68 \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\frac {-6 a b \text {arcsinh}(c x)^2-2 b^2 \text {arcsinh}(c x)^3+12 a b \text {arcsinh}(c x) \log \left (1+\frac {c e^{\text {arcsinh}(c x)}}{\sqrt {-c^2}}\right )+6 b^2 \text {arcsinh}(c x)^2 \log \left (1+\frac {c e^{\text {arcsinh}(c x)}}{\sqrt {-c^2}}\right )+12 a b \text {arcsinh}(c x) \log \left (1+\frac {\sqrt {-c^2} e^{\text {arcsinh}(c x)}}{c}\right )+6 b^2 \text {arcsinh}(c x)^2 \log \left (1+\frac {\sqrt {-c^2} e^{\text {arcsinh}(c x)}}{c}\right )+3 a^2 \log \left (1+c^2 x^2\right )+12 b (a+b \text {arcsinh}(c x)) \operatorname {PolyLog}\left (2,\frac {c e^{\text {arcsinh}(c x)}}{\sqrt {-c^2}}\right )+12 b (a+b \text {arcsinh}(c x)) \operatorname {PolyLog}\left (2,\frac {\sqrt {-c^2} e^{\text {arcsinh}(c x)}}{c}\right )-12 b^2 \operatorname {PolyLog}\left (3,\frac {c e^{\text {arcsinh}(c x)}}{\sqrt {-c^2}}\right )-12 b^2 \operatorname {PolyLog}\left (3,\frac {\sqrt {-c^2} e^{\text {arcsinh}(c x)}}{c}\right )}{6 c^2 d} \]
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Time = 0.21 (sec) , antiderivative size = 180, normalized size of antiderivative = 1.71
method | result | size |
derivativedivides | \(\frac {\frac {a^{2} \ln \left (c^{2} x^{2}+1\right )}{2 d}+\frac {b^{2} \left (-\frac {\operatorname {arcsinh}\left (c x \right )^{3}}{3}+\operatorname {arcsinh}\left (c x \right )^{2} \ln \left (1+\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )+\operatorname {arcsinh}\left (c x \right ) \operatorname {polylog}\left (2, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )-\frac {\operatorname {polylog}\left (3, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )}{2}\right )}{d}+\frac {2 a b \left (-\frac {\operatorname {arcsinh}\left (c x \right )^{2}}{2}+\operatorname {arcsinh}\left (c x \right ) \ln \left (1+\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )+\frac {\operatorname {polylog}\left (2, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )}{2}\right )}{d}}{c^{2}}\) | \(180\) |
default | \(\frac {\frac {a^{2} \ln \left (c^{2} x^{2}+1\right )}{2 d}+\frac {b^{2} \left (-\frac {\operatorname {arcsinh}\left (c x \right )^{3}}{3}+\operatorname {arcsinh}\left (c x \right )^{2} \ln \left (1+\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )+\operatorname {arcsinh}\left (c x \right ) \operatorname {polylog}\left (2, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )-\frac {\operatorname {polylog}\left (3, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )}{2}\right )}{d}+\frac {2 a b \left (-\frac {\operatorname {arcsinh}\left (c x \right )^{2}}{2}+\operatorname {arcsinh}\left (c x \right ) \ln \left (1+\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )+\frac {\operatorname {polylog}\left (2, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )}{2}\right )}{d}}{c^{2}}\) | \(180\) |
parts | \(\frac {a^{2} \ln \left (c^{2} x^{2}+1\right )}{2 d \,c^{2}}+\frac {b^{2} \left (-\frac {\operatorname {arcsinh}\left (c x \right )^{3}}{3}+\operatorname {arcsinh}\left (c x \right )^{2} \ln \left (1+\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )+\operatorname {arcsinh}\left (c x \right ) \operatorname {polylog}\left (2, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )-\frac {\operatorname {polylog}\left (3, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )}{2}\right )}{d \,c^{2}}+\frac {2 a b \left (-\frac {\operatorname {arcsinh}\left (c x \right )^{2}}{2}+\operatorname {arcsinh}\left (c x \right ) \ln \left (1+\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )+\frac {\operatorname {polylog}\left (2, -\left (c x +\sqrt {c^{2} x^{2}+1}\right )^{2}\right )}{2}\right )}{d \,c^{2}}\) | \(185\) |
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\[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\int { \frac {{\left (b \operatorname {arsinh}\left (c x\right ) + a\right )}^{2} x}{c^{2} d x^{2} + d} \,d x } \]
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\[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\frac {\int \frac {a^{2} x}{c^{2} x^{2} + 1}\, dx + \int \frac {b^{2} x \operatorname {asinh}^{2}{\left (c x \right )}}{c^{2} x^{2} + 1}\, dx + \int \frac {2 a b x \operatorname {asinh}{\left (c x \right )}}{c^{2} x^{2} + 1}\, dx}{d} \]
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\[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\int { \frac {{\left (b \operatorname {arsinh}\left (c x\right ) + a\right )}^{2} x}{c^{2} d x^{2} + d} \,d x } \]
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\[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\int { \frac {{\left (b \operatorname {arsinh}\left (c x\right ) + a\right )}^{2} x}{c^{2} d x^{2} + d} \,d x } \]
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Timed out. \[ \int \frac {x (a+b \text {arcsinh}(c x))^2}{d+c^2 d x^2} \, dx=\int \frac {x\,{\left (a+b\,\mathrm {asinh}\left (c\,x\right )\right )}^2}{d\,c^2\,x^2+d} \,d x \]
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