Integrand size = 10, antiderivative size = 80 \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=-\frac {4 x}{9 a^2}+\frac {2 x^3}{27}+\frac {4 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a^3}-\frac {2 x^2 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a}+\frac {1}{3} x^3 \text {arcsinh}(a x)^2 \]
[Out]
Time = 0.08 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5776, 5812, 5798, 8, 30} \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=-\frac {2 x^2 \sqrt {a^2 x^2+1} \text {arcsinh}(a x)}{9 a}-\frac {4 x}{9 a^2}+\frac {4 \sqrt {a^2 x^2+1} \text {arcsinh}(a x)}{9 a^3}+\frac {1}{3} x^3 \text {arcsinh}(a x)^2+\frac {2 x^3}{27} \]
[In]
[Out]
Rule 8
Rule 30
Rule 5776
Rule 5798
Rule 5812
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} x^3 \text {arcsinh}(a x)^2-\frac {1}{3} (2 a) \int \frac {x^3 \text {arcsinh}(a x)}{\sqrt {1+a^2 x^2}} \, dx \\ & = -\frac {2 x^2 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a}+\frac {1}{3} x^3 \text {arcsinh}(a x)^2+\frac {2 \int x^2 \, dx}{9}+\frac {4 \int \frac {x \text {arcsinh}(a x)}{\sqrt {1+a^2 x^2}} \, dx}{9 a} \\ & = \frac {2 x^3}{27}+\frac {4 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a^3}-\frac {2 x^2 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a}+\frac {1}{3} x^3 \text {arcsinh}(a x)^2-\frac {4 \int 1 \, dx}{9 a^2} \\ & = -\frac {4 x}{9 a^2}+\frac {2 x^3}{27}+\frac {4 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a^3}-\frac {2 x^2 \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{9 a}+\frac {1}{3} x^3 \text {arcsinh}(a x)^2 \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.74 \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=\frac {1}{27} \left (2 x \left (-\frac {6}{a^2}+x^2\right )-\frac {6 \left (-2+a^2 x^2\right ) \sqrt {1+a^2 x^2} \text {arcsinh}(a x)}{a^3}+9 x^3 \text {arcsinh}(a x)^2\right ) \]
[In]
[Out]
Time = 0.21 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.90
method | result | size |
derivativedivides | \(\frac {\frac {a^{3} x^{3} \operatorname {arcsinh}\left (a x \right )^{2}}{3}+\frac {4 \,\operatorname {arcsinh}\left (a x \right ) \sqrt {a^{2} x^{2}+1}}{9}-\frac {2 \,\operatorname {arcsinh}\left (a x \right ) \sqrt {a^{2} x^{2}+1}\, a^{2} x^{2}}{9}-\frac {4 a x}{9}+\frac {2 a^{3} x^{3}}{27}}{a^{3}}\) | \(72\) |
default | \(\frac {\frac {a^{3} x^{3} \operatorname {arcsinh}\left (a x \right )^{2}}{3}+\frac {4 \,\operatorname {arcsinh}\left (a x \right ) \sqrt {a^{2} x^{2}+1}}{9}-\frac {2 \,\operatorname {arcsinh}\left (a x \right ) \sqrt {a^{2} x^{2}+1}\, a^{2} x^{2}}{9}-\frac {4 a x}{9}+\frac {2 a^{3} x^{3}}{27}}{a^{3}}\) | \(72\) |
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.02 \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=\frac {9 \, a^{3} x^{3} \log \left (a x + \sqrt {a^{2} x^{2} + 1}\right )^{2} + 2 \, a^{3} x^{3} - 6 \, \sqrt {a^{2} x^{2} + 1} {\left (a^{2} x^{2} - 2\right )} \log \left (a x + \sqrt {a^{2} x^{2} + 1}\right ) - 12 \, a x}{27 \, a^{3}} \]
[In]
[Out]
Time = 0.29 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.95 \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=\begin {cases} \frac {x^{3} \operatorname {asinh}^{2}{\left (a x \right )}}{3} + \frac {2 x^{3}}{27} - \frac {2 x^{2} \sqrt {a^{2} x^{2} + 1} \operatorname {asinh}{\left (a x \right )}}{9 a} - \frac {4 x}{9 a^{2}} + \frac {4 \sqrt {a^{2} x^{2} + 1} \operatorname {asinh}{\left (a x \right )}}{9 a^{3}} & \text {for}\: a \neq 0 \\0 & \text {otherwise} \end {cases} \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.88 \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=\frac {1}{3} \, x^{3} \operatorname {arsinh}\left (a x\right )^{2} - \frac {2}{9} \, a {\left (\frac {\sqrt {a^{2} x^{2} + 1} x^{2}}{a^{2}} - \frac {2 \, \sqrt {a^{2} x^{2} + 1}}{a^{4}}\right )} \operatorname {arsinh}\left (a x\right ) + \frac {2 \, {\left (a^{2} x^{3} - 6 \, x\right )}}{27 \, a^{2}} \]
[In]
[Out]
Exception generated. \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=\text {Exception raised: TypeError} \]
[In]
[Out]
Timed out. \[ \int x^2 \text {arcsinh}(a x)^2 \, dx=\int x^2\,{\mathrm {asinh}\left (a\,x\right )}^2 \,d x \]
[In]
[Out]