Integrand size = 26, antiderivative size = 136 \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=-\frac {b x \sqrt {d+c^2 d x^2}}{c^3 d^2 \sqrt {1+c^2 x^2}}+\frac {a+b \text {arcsinh}(c x)}{c^4 d \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{c^4 d^2}-\frac {b \sqrt {d+c^2 d x^2} \arctan (c x)}{c^4 d^2 \sqrt {1+c^2 x^2}} \]
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Time = 0.11 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {272, 45, 5804, 12, 396, 209} \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=\frac {\sqrt {c^2 d x^2+d} (a+b \text {arcsinh}(c x))}{c^4 d^2}+\frac {a+b \text {arcsinh}(c x)}{c^4 d \sqrt {c^2 d x^2+d}}-\frac {b \arctan (c x) \sqrt {c^2 d x^2+d}}{c^4 d^2 \sqrt {c^2 x^2+1}}-\frac {b x \sqrt {c^2 d x^2+d}}{c^3 d^2 \sqrt {c^2 x^2+1}} \]
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Rule 12
Rule 45
Rule 209
Rule 272
Rule 396
Rule 5804
Rubi steps \begin{align*} \text {integral}& = \frac {a+b \text {arcsinh}(c x)}{c^4 d \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{c^4 d^2}-\frac {\left (b c \sqrt {d+c^2 d x^2}\right ) \int \frac {2+c^2 x^2}{c^4 d^2 \left (1+c^2 x^2\right )} \, dx}{\sqrt {1+c^2 x^2}} \\ & = \frac {a+b \text {arcsinh}(c x)}{c^4 d \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{c^4 d^2}-\frac {\left (b \sqrt {d+c^2 d x^2}\right ) \int \frac {2+c^2 x^2}{1+c^2 x^2} \, dx}{c^3 d^2 \sqrt {1+c^2 x^2}} \\ & = -\frac {b x \sqrt {d+c^2 d x^2}}{c^3 d^2 \sqrt {1+c^2 x^2}}+\frac {a+b \text {arcsinh}(c x)}{c^4 d \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{c^4 d^2}-\frac {\left (b \sqrt {d+c^2 d x^2}\right ) \int \frac {1}{1+c^2 x^2} \, dx}{c^3 d^2 \sqrt {1+c^2 x^2}} \\ & = -\frac {b x \sqrt {d+c^2 d x^2}}{c^3 d^2 \sqrt {1+c^2 x^2}}+\frac {a+b \text {arcsinh}(c x)}{c^4 d \sqrt {d+c^2 d x^2}}+\frac {\sqrt {d+c^2 d x^2} (a+b \text {arcsinh}(c x))}{c^4 d^2}-\frac {b \sqrt {d+c^2 d x^2} \arctan (c x)}{c^4 d^2 \sqrt {1+c^2 x^2}} \\ \end{align*}
Time = 0.35 (sec) , antiderivative size = 130, normalized size of antiderivative = 0.96 \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=\frac {\sqrt {d+c^2 d x^2} \left (-b c x-b c^3 x^3+2 a \sqrt {1+c^2 x^2}+a c^2 x^2 \sqrt {1+c^2 x^2}+b \sqrt {1+c^2 x^2} \left (2+c^2 x^2\right ) \text {arcsinh}(c x)-\left (b+b c^2 x^2\right ) \arctan (c x)\right )}{c^4 d^2 \left (1+c^2 x^2\right )^{3/2}} \]
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Result contains complex when optimal does not.
Time = 0.23 (sec) , antiderivative size = 176, normalized size of antiderivative = 1.29
method | result | size |
default | \(a \left (\frac {x^{2}}{c^{2} d \sqrt {c^{2} d \,x^{2}+d}}+\frac {2}{d \,c^{4} \sqrt {c^{2} d \,x^{2}+d}}\right )+\frac {b \sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (\operatorname {arcsinh}\left (c x \right ) c^{2} x^{2}+i \sqrt {c^{2} x^{2}+1}\, \ln \left (c x +\sqrt {c^{2} x^{2}+1}-i\right )-i \sqrt {c^{2} x^{2}+1}\, \ln \left (c x +\sqrt {c^{2} x^{2}+1}+i\right )-c x \sqrt {c^{2} x^{2}+1}+2 \,\operatorname {arcsinh}\left (c x \right )\right )}{c^{4} d^{2} \left (c^{2} x^{2}+1\right )}\) | \(176\) |
parts | \(a \left (\frac {x^{2}}{c^{2} d \sqrt {c^{2} d \,x^{2}+d}}+\frac {2}{d \,c^{4} \sqrt {c^{2} d \,x^{2}+d}}\right )+\frac {b \sqrt {d \left (c^{2} x^{2}+1\right )}\, \left (\operatorname {arcsinh}\left (c x \right ) c^{2} x^{2}+i \sqrt {c^{2} x^{2}+1}\, \ln \left (c x +\sqrt {c^{2} x^{2}+1}-i\right )-i \sqrt {c^{2} x^{2}+1}\, \ln \left (c x +\sqrt {c^{2} x^{2}+1}+i\right )-c x \sqrt {c^{2} x^{2}+1}+2 \,\operatorname {arcsinh}\left (c x \right )\right )}{c^{4} d^{2} \left (c^{2} x^{2}+1\right )}\) | \(176\) |
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Time = 0.29 (sec) , antiderivative size = 166, normalized size of antiderivative = 1.22 \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=\frac {{\left (b c^{2} x^{2} + b\right )} \sqrt {d} \arctan \left (\frac {2 \, \sqrt {c^{2} d x^{2} + d} \sqrt {c^{2} x^{2} + 1} c \sqrt {d} x}{c^{4} d x^{4} - d}\right ) + 2 \, {\left (b c^{2} x^{2} + 2 \, b\right )} \sqrt {c^{2} d x^{2} + d} \log \left (c x + \sqrt {c^{2} x^{2} + 1}\right ) + 2 \, {\left (a c^{2} x^{2} - \sqrt {c^{2} x^{2} + 1} b c x + 2 \, a\right )} \sqrt {c^{2} d x^{2} + d}}{2 \, {\left (c^{6} d^{2} x^{2} + c^{4} d^{2}\right )}} \]
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\[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=\int \frac {x^{3} \left (a + b \operatorname {asinh}{\left (c x \right )}\right )}{\left (d \left (c^{2} x^{2} + 1\right )\right )^{\frac {3}{2}}}\, dx \]
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Time = 0.28 (sec) , antiderivative size = 119, normalized size of antiderivative = 0.88 \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=-b c {\left (\frac {x}{c^{4} d^{\frac {3}{2}}} + \frac {\arctan \left (c x\right )}{c^{5} d^{\frac {3}{2}}}\right )} + b {\left (\frac {x^{2}}{\sqrt {c^{2} d x^{2} + d} c^{2} d} + \frac {2}{\sqrt {c^{2} d x^{2} + d} c^{4} d}\right )} \operatorname {arsinh}\left (c x\right ) + a {\left (\frac {x^{2}}{\sqrt {c^{2} d x^{2} + d} c^{2} d} + \frac {2}{\sqrt {c^{2} d x^{2} + d} c^{4} d}\right )} \]
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Exception generated. \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {x^3 (a+b \text {arcsinh}(c x))}{\left (d+c^2 d x^2\right )^{3/2}} \, dx=\int \frac {x^3\,\left (a+b\,\mathrm {asinh}\left (c\,x\right )\right )}{{\left (d\,c^2\,x^2+d\right )}^{3/2}} \,d x \]
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