Optimal. Leaf size=98 \[ \frac {b^2 n^2 x^2}{4 \left (1+b^2 n^2\right )}-\frac {b n x^2 \cos \left (a+b \log \left (c x^n\right )\right ) \sin \left (a+b \log \left (c x^n\right )\right )}{2 \left (1+b^2 n^2\right )}+\frac {x^2 \sin ^2\left (a+b \log \left (c x^n\right )\right )}{2 \left (1+b^2 n^2\right )} \]
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Rubi [A]
time = 0.02, antiderivative size = 98, normalized size of antiderivative = 1.00, 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 = {4575, 30}
\begin {gather*} \frac {x^2 \sin ^2\left (a+b \log \left (c x^n\right )\right )}{2 \left (b^2 n^2+1\right )}-\frac {b n x^2 \sin \left (a+b \log \left (c x^n\right )\right ) \cos \left (a+b \log \left (c x^n\right )\right )}{2 \left (b^2 n^2+1\right )}+\frac {b^2 n^2 x^2}{4 \left (b^2 n^2+1\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 30
Rule 4575
Rubi steps
\begin {align*} \int x \sin ^2\left (a+b \log \left (c x^n\right )\right ) \, dx &=-\frac {b n x^2 \cos \left (a+b \log \left (c x^n\right )\right ) \sin \left (a+b \log \left (c x^n\right )\right )}{2 \left (1+b^2 n^2\right )}+\frac {x^2 \sin ^2\left (a+b \log \left (c x^n\right )\right )}{2 \left (1+b^2 n^2\right )}+\frac {\left (b^2 n^2\right ) \int x \, dx}{2 \left (1+b^2 n^2\right )}\\ &=\frac {b^2 n^2 x^2}{4 \left (1+b^2 n^2\right )}-\frac {b n x^2 \cos \left (a+b \log \left (c x^n\right )\right ) \sin \left (a+b \log \left (c x^n\right )\right )}{2 \left (1+b^2 n^2\right )}+\frac {x^2 \sin ^2\left (a+b \log \left (c x^n\right )\right )}{2 \left (1+b^2 n^2\right )}\\ \end {align*}
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Mathematica [A]
time = 0.13, size = 57, normalized size = 0.58 \begin {gather*} \frac {x^2 \left (1+b^2 n^2-\cos \left (2 \left (a+b \log \left (c x^n\right )\right )\right )-b n \sin \left (2 \left (a+b \log \left (c x^n\right )\right )\right )\right )}{4+4 b^2 n^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.05, size = 0, normalized size = 0.00 \[\int x \left (\sin ^{2}\left (a +b \ln \left (c \,x^{n}\right )\right )\right )\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 282 vs.
\(2 (92) = 184\).
time = 0.29, size = 282, normalized size = 2.88 \begin {gather*} -\frac {{\left ({\left (b \cos \left (2 \, b \log \left (c\right )\right ) \sin \left (4 \, b \log \left (c\right )\right ) - b \cos \left (4 \, b \log \left (c\right )\right ) \sin \left (2 \, b \log \left (c\right )\right ) + b \sin \left (2 \, b \log \left (c\right )\right )\right )} n + \cos \left (4 \, b \log \left (c\right )\right ) \cos \left (2 \, b \log \left (c\right )\right ) + \sin \left (4 \, b \log \left (c\right )\right ) \sin \left (2 \, b \log \left (c\right )\right ) + \cos \left (2 \, b \log \left (c\right )\right )\right )} x^{2} \cos \left (2 \, b \log \left (x^{n}\right ) + 2 \, a\right ) + {\left ({\left (b \cos \left (4 \, b \log \left (c\right )\right ) \cos \left (2 \, b \log \left (c\right )\right ) + b \sin \left (4 \, b \log \left (c\right )\right ) \sin \left (2 \, b \log \left (c\right )\right ) + b \cos \left (2 \, b \log \left (c\right )\right )\right )} n - \cos \left (2 \, b \log \left (c\right )\right ) \sin \left (4 \, b \log \left (c\right )\right ) + \cos \left (4 \, b \log \left (c\right )\right ) \sin \left (2 \, b \log \left (c\right )\right ) - \sin \left (2 \, b \log \left (c\right )\right )\right )} x^{2} \sin \left (2 \, b \log \left (x^{n}\right ) + 2 \, a\right ) - 2 \, {\left ({\left (b^{2} \cos \left (2 \, b \log \left (c\right )\right )^{2} + b^{2} \sin \left (2 \, b \log \left (c\right )\right )^{2}\right )} n^{2} + \cos \left (2 \, b \log \left (c\right )\right )^{2} + \sin \left (2 \, b \log \left (c\right )\right )^{2}\right )} x^{2}}{8 \, {\left ({\left (b^{2} \cos \left (2 \, b \log \left (c\right )\right )^{2} + b^{2} \sin \left (2 \, b \log \left (c\right )\right )^{2}\right )} n^{2} + \cos \left (2 \, b \log \left (c\right )\right )^{2} + \sin \left (2 \, b \log \left (c\right )\right )^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.34, size = 78, normalized size = 0.80 \begin {gather*} -\frac {2 \, b n x^{2} \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) \sin \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right ) + 2 \, x^{2} \cos \left (b n \log \left (x\right ) + b \log \left (c\right ) + a\right )^{2} - {\left (b^{2} n^{2} + 2\right )} x^{2}}{4 \, {\left (b^{2} n^{2} + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \begin {cases} \int x \sin ^{2}{\left (a - \frac {i \log {\left (c x^{n} \right )}}{n} \right )}\, dx & \text {for}\: b = - \frac {i}{n} \\\int x \sin ^{2}{\left (a + \frac {i \log {\left (c x^{n} \right )}}{n} \right )}\, dx & \text {for}\: b = \frac {i}{n} \\\frac {b^{2} n^{2} x^{2} \sin ^{2}{\left (a + b \log {\left (c x^{n} \right )} \right )}}{4 b^{2} n^{2} + 4} + \frac {b^{2} n^{2} x^{2} \cos ^{2}{\left (a + b \log {\left (c x^{n} \right )} \right )}}{4 b^{2} n^{2} + 4} - \frac {2 b n x^{2} \sin {\left (a + b \log {\left (c x^{n} \right )} \right )} \cos {\left (a + b \log {\left (c x^{n} \right )} \right )}}{4 b^{2} n^{2} + 4} + \frac {2 x^{2} \sin ^{2}{\left (a + b \log {\left (c x^{n} \right )} \right )}}{4 b^{2} n^{2} + 4} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 820 vs.
\(2 (92) = 184\).
time = 0.55, size = 820, normalized size = 8.37 \begin {gather*} \frac {1}{4} \, x^{2} + \frac {2 \, b n x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} \tan \left (a\right ) + 2 \, b n x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} \tan \left (a\right ) + 2 \, b n x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right ) \tan \left (a\right )^{2} + 2 \, b n x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right ) \tan \left (a\right )^{2} - x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} \tan \left (a\right )^{2} - x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} \tan \left (a\right )^{2} - 2 \, b n x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right ) - 2 \, b n x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right ) - 2 \, b n x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (a\right ) - 2 \, b n x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (a\right ) + x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} + x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} + 4 \, x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right ) \tan \left (a\right ) + 4 \, x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right ) \tan \left (a\right ) + x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} \tan \left (a\right )^{2} + x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )} \tan \left (a\right )^{2} - x^{2} e^{\left (\pi b n \mathrm {sgn}\left (x\right ) - \pi b n + \pi b \mathrm {sgn}\left (c\right ) - \pi b\right )} - x^{2} e^{\left (-\pi b n \mathrm {sgn}\left (x\right ) + \pi b n - \pi b \mathrm {sgn}\left (c\right ) + \pi b\right )}}{8 \, {\left (b^{2} n^{2} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} \tan \left (a\right )^{2} + b^{2} n^{2} \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} + b^{2} n^{2} \tan \left (a\right )^{2} + b^{2} n^{2} + \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} \tan \left (a\right )^{2} + \tan \left (b n \log \left ({\left | x \right |}\right ) + b \log \left ({\left | c \right |}\right )\right )^{2} + \tan \left (a\right )^{2} + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 2.57, size = 67, normalized size = 0.68 \begin {gather*} \frac {x^2}{4}-\frac {x^2\,{\mathrm {e}}^{-a\,2{}\mathrm {i}}\,\frac {1}{{\left (c\,x^n\right )}^{b\,2{}\mathrm {i}}}\,1{}\mathrm {i}}{8\,b\,n+8{}\mathrm {i}}-\frac {x^2\,{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\left (c\,x^n\right )}^{b\,2{}\mathrm {i}}}{8+b\,n\,8{}\mathrm {i}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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