Optimal. Leaf size=158 \[ \frac{2 x^2 \sin ^3\left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+4}+\frac{12 b^2 n^2 x^2 \sin \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+40 b^2 n^2+16}-\frac{6 b^3 n^3 x^2 \cos \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+40 b^2 n^2+16}-\frac{3 b n x^2 \sin ^2\left (a+b \log \left (c x^n\right )\right ) \cos \left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+4} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0448578, antiderivative size = 158, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {4487, 4485} \[ \frac{2 x^2 \sin ^3\left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+4}+\frac{12 b^2 n^2 x^2 \sin \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+40 b^2 n^2+16}-\frac{6 b^3 n^3 x^2 \cos \left (a+b \log \left (c x^n\right )\right )}{9 b^4 n^4+40 b^2 n^2+16}-\frac{3 b n x^2 \sin ^2\left (a+b \log \left (c x^n\right )\right ) \cos \left (a+b \log \left (c x^n\right )\right )}{9 b^2 n^2+4} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 4487
Rule 4485
Rubi steps
\begin{align*} \int x \sin ^3\left (a+b \log \left (c x^n\right )\right ) \, dx &=-\frac{3 b n x^2 \cos \left (a+b \log \left (c x^n\right )\right ) \sin ^2\left (a+b \log \left (c x^n\right )\right )}{4+9 b^2 n^2}+\frac{2 x^2 \sin ^3\left (a+b \log \left (c x^n\right )\right )}{4+9 b^2 n^2}+\frac{\left (6 b^2 n^2\right ) \int x \sin \left (a+b \log \left (c x^n\right )\right ) \, dx}{4+9 b^2 n^2}\\ &=-\frac{6 b^3 n^3 x^2 \cos \left (a+b \log \left (c x^n\right )\right )}{16+40 b^2 n^2+9 b^4 n^4}+\frac{12 b^2 n^2 x^2 \sin \left (a+b \log \left (c x^n\right )\right )}{16+40 b^2 n^2+9 b^4 n^4}-\frac{3 b n x^2 \cos \left (a+b \log \left (c x^n\right )\right ) \sin ^2\left (a+b \log \left (c x^n\right )\right )}{4+9 b^2 n^2}+\frac{2 x^2 \sin ^3\left (a+b \log \left (c x^n\right )\right )}{4+9 b^2 n^2}\\ \end{align*}
Mathematica [A] time = 0.47611, size = 125, normalized size = 0.79 \[ \frac{x^2 \left (-3 b n \left (9 b^2 n^2+4\right ) \cos \left (a+b \log \left (c x^n\right )\right )+3 b n \left (b^2 n^2+4\right ) \cos \left (3 \left (a+b \log \left (c x^n\right )\right )\right )-4 \sin \left (a+b \log \left (c x^n\right )\right ) \left (\left (b^2 n^2+4\right ) \cos \left (2 \left (a+b \log \left (c x^n\right )\right )\right )-13 b^2 n^2-4\right )\right )}{4 \left (9 b^4 n^4+40 b^2 n^2+16\right )} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [F] time = 0.063, size = 0, normalized size = 0. \begin{align*} \int x \left ( \sin \left ( a+b\ln \left ( c{x}^{n} \right ) \right ) \right ) ^{3}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [B] time = 1.4297, size = 1372, normalized size = 8.68 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 0.52004, size = 350, normalized size = 2.22 \begin{align*} \frac{3 \,{\left (b^{3} n^{3} + 4 \, b n\right )} x^{2} \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )^{3} - 3 \,{\left (3 \, b^{3} n^{3} + 4 \, b n\right )} x^{2} \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) - 2 \,{\left ({\left (b^{2} n^{2} + 4\right )} x^{2} \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )^{2} -{\left (7 \, b^{2} n^{2} + 4\right )} x^{2}\right )} \sin \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )}{9 \, b^{4} n^{4} + 40 \, b^{2} n^{2} + 16} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]