Optimal. Leaf size=209 \[ e^{2 i a} 2^{-\frac{m}{2}-\frac{7}{2}} x^{m+1} \left (-i b x^2\right )^{\frac{1}{2} (-m-1)} \csc ^2\left (a+b x^2\right ) \text{Gamma}\left (\frac{m+1}{2},-2 i b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}+e^{-2 i a} 2^{-\frac{m}{2}-\frac{7}{2}} x^{m+1} \left (i b x^2\right )^{\frac{1}{2} (-m-1)} \csc ^2\left (a+b x^2\right ) \text{Gamma}\left (\frac{m+1}{2},2 i b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}+\frac{x^{m+1} \csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}}{2 (m+1)} \]
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Rubi [A] time = 0.277051, antiderivative size = 209, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 4, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {6720, 3403, 3390, 2218} \[ e^{2 i a} 2^{-\frac{m}{2}-\frac{7}{2}} x^{m+1} \left (-i b x^2\right )^{\frac{1}{2} (-m-1)} \csc ^2\left (a+b x^2\right ) \text{Gamma}\left (\frac{m+1}{2},-2 i b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}+e^{-2 i a} 2^{-\frac{m}{2}-\frac{7}{2}} x^{m+1} \left (i b x^2\right )^{\frac{1}{2} (-m-1)} \csc ^2\left (a+b x^2\right ) \text{Gamma}\left (\frac{m+1}{2},2 i b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}+\frac{x^{m+1} \csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}}{2 (m+1)} \]
Antiderivative was successfully verified.
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Rule 6720
Rule 3403
Rule 3390
Rule 2218
Rubi steps
\begin{align*} \int x^m \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3} \, dx &=\left (\csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}\right ) \int x^m \sin ^2\left (a+b x^2\right ) \, dx\\ &=\left (\csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}\right ) \int \left (\frac{x^m}{2}-\frac{1}{2} x^m \cos \left (2 a+2 b x^2\right )\right ) \, dx\\ &=\frac{x^{1+m} \csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}}{2 (1+m)}-\frac{1}{2} \left (\csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}\right ) \int x^m \cos \left (2 a+2 b x^2\right ) \, dx\\ &=\frac{x^{1+m} \csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}}{2 (1+m)}-\frac{1}{4} \left (\csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}\right ) \int e^{-2 i a-2 i b x^2} x^m \, dx-\frac{1}{4} \left (\csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}\right ) \int e^{2 i a+2 i b x^2} x^m \, dx\\ &=\frac{x^{1+m} \csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}}{2 (1+m)}+2^{-\frac{7}{2}-\frac{m}{2}} e^{2 i a} x^{1+m} \left (-i b x^2\right )^{\frac{1}{2} (-1-m)} \csc ^2\left (a+b x^2\right ) \Gamma \left (\frac{1+m}{2},-2 i b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}+2^{-\frac{7}{2}-\frac{m}{2}} e^{-2 i a} x^{1+m} \left (i b x^2\right )^{\frac{1}{2} (-1-m)} \csc ^2\left (a+b x^2\right ) \Gamma \left (\frac{1+m}{2},2 i b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3}\\ \end{align*}
Mathematica [A] time = 0.895489, size = 189, normalized size = 0.9 \[ \frac{2^{\frac{1}{2} (-m-7)} x^{m+1} \left (b^2 x^4\right )^{\frac{1}{2} (-m-1)} \csc ^2\left (a+b x^2\right ) \left (c \sin ^3\left (a+b x^2\right )\right )^{2/3} \left ((m+1) (\cos (2 a)-i \sin (2 a)) \left (-i b x^2\right )^{\frac{m+1}{2}} \text{Gamma}\left (\frac{m+1}{2},2 i b x^2\right )+(m+1) (\cos (2 a)+i \sin (2 a)) \left (i b x^2\right )^{\frac{m+1}{2}} \text{Gamma}\left (\frac{m+1}{2},-2 i b x^2\right )+2^{\frac{m+5}{2}} \left (b^2 x^4\right )^{\frac{m+1}{2}}\right )}{m+1} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.132, size = 0, normalized size = 0. \begin{align*} \int{x}^{m} \left ( c \left ( \sin \left ( b{x}^{2}+a \right ) \right ) ^{3} \right ) ^{{\frac{2}{3}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} -\frac{{\left (x x^{m} -{\left (m + 1\right )} \int x^{m} \cos \left (2 \, b x^{2} + 2 \, a\right )\,{d x}\right )} c^{\frac{2}{3}}}{4 \,{\left (m + 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.80256, size = 359, normalized size = 1.72 \begin{align*} -\frac{{\left (8 \, b x x^{m} -{\left (i \, m + i\right )} e^{\left (-\frac{1}{2} \,{\left (m - 1\right )} \log \left (2 i \, b\right ) - 2 i \, a\right )} \Gamma \left (\frac{1}{2} \, m + \frac{1}{2}, 2 i \, b x^{2}\right ) -{\left (-i \, m - i\right )} e^{\left (-\frac{1}{2} \,{\left (m - 1\right )} \log \left (-2 i \, b\right ) + 2 i \, a\right )} \Gamma \left (\frac{1}{2} \, m + \frac{1}{2}, -2 i \, b x^{2}\right )\right )} \left (-{\left (c \cos \left (b x^{2} + a\right )^{2} - c\right )} \sin \left (b x^{2} + a\right )\right )^{\frac{2}{3}}}{16 \,{\left ({\left (b m + b\right )} \cos \left (b x^{2} + a\right )^{2} - b m - b\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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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.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (c \sin \left (b x^{2} + a\right )^{3}\right )^{\frac{2}{3}} x^{m}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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