Optimal. Leaf size=121 \[ -\frac{\cos (2 a) \text{CosIntegral}\left (2 b x^n\right ) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}}{2 n}+\frac{\sin (2 a) \text{Si}\left (2 b x^n\right ) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}}{2 n}+\frac{1}{2} \log (x) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3} \]
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Rubi [A] time = 0.178981, antiderivative size = 121, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {6720, 3425, 3378, 3376, 3375} \[ -\frac{\cos (2 a) \text{CosIntegral}\left (2 b x^n\right ) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}}{2 n}+\frac{\sin (2 a) \text{Si}\left (2 b x^n\right ) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}}{2 n}+\frac{1}{2} \log (x) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3} \]
Antiderivative was successfully verified.
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Rule 6720
Rule 3425
Rule 3378
Rule 3376
Rule 3375
Rubi steps
\begin{align*} \int \frac{\left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}}{x} \, dx &=\left (\csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}\right ) \int \frac{\sin ^2\left (a+b x^n\right )}{x} \, dx\\ &=\left (\csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}\right ) \int \left (\frac{1}{2 x}-\frac{\cos \left (2 a+2 b x^n\right )}{2 x}\right ) \, dx\\ &=\frac{1}{2} \csc ^2\left (a+b x^n\right ) \log (x) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}-\frac{1}{2} \left (\csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}\right ) \int \frac{\cos \left (2 a+2 b x^n\right )}{x} \, dx\\ &=\frac{1}{2} \csc ^2\left (a+b x^n\right ) \log (x) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}-\frac{1}{2} \left (\cos (2 a) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}\right ) \int \frac{\cos \left (2 b x^n\right )}{x} \, dx+\frac{1}{2} \left (\csc ^2\left (a+b x^n\right ) \sin (2 a) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}\right ) \int \frac{\sin \left (2 b x^n\right )}{x} \, dx\\ &=-\frac{\cos (2 a) \text{Ci}\left (2 b x^n\right ) \csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}}{2 n}+\frac{1}{2} \csc ^2\left (a+b x^n\right ) \log (x) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3}+\frac{\csc ^2\left (a+b x^n\right ) \sin (2 a) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3} \text{Si}\left (2 b x^n\right )}{2 n}\\ \end{align*}
Mathematica [A] time = 0.1383, size = 63, normalized size = 0.52 \[ \frac{\csc ^2\left (a+b x^n\right ) \left (c \sin ^3\left (a+b x^n\right )\right )^{2/3} \left (-\cos (2 a) \text{CosIntegral}\left (2 b x^n\right )+\sin (2 a) \text{Si}\left (2 b x^n\right )+n \log (x)\right )}{2 n} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.144, size = 343, normalized size = 2.8 \begin{align*}{\frac{{\frac{i}{4}}{{\rm e}^{2\,ib{x}^{n}}}\pi \,{\it csgn} \left ( b{x}^{n} \right ) }{ \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{2}n} \left ( ic \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{3}{{\rm e}^{-3\,i \left ( a+b{x}^{n} \right ) }} \right ) ^{{\frac{2}{3}}}}-{\frac{{\frac{i}{2}}{{\rm e}^{2\,ib{x}^{n}}}{\it Si} \left ( 2\,b{x}^{n} \right ) }{ \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{2}n} \left ( ic \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{3}{{\rm e}^{-3\,i \left ( a+b{x}^{n} \right ) }} \right ) ^{{\frac{2}{3}}}}-{\frac{{{\rm e}^{2\,ib{x}^{n}}}{\it Ei} \left ( 1,-2\,ib{x}^{n} \right ) }{4\, \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{2}n} \left ( ic \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{3}{{\rm e}^{-3\,i \left ( a+b{x}^{n} \right ) }} \right ) ^{{\frac{2}{3}}}}-{\frac{{\it Ei} \left ( 1,-2\,ib{x}^{n} \right ){{\rm e}^{2\,i \left ( b{x}^{n}+2\,a \right ) }}}{4\, \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{2}n} \left ( ic \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{3}{{\rm e}^{-3\,i \left ( a+b{x}^{n} \right ) }} \right ) ^{{\frac{2}{3}}}}-{\frac{\ln \left ( x \right ){{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}}{2\, \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{2}} \left ( ic \left ({{\rm e}^{2\,i \left ( a+b{x}^{n} \right ) }}-1 \right ) ^{3}{{\rm e}^{-3\,i \left ( a+b{x}^{n} \right ) }} \right ) ^{{\frac{2}{3}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: IndexError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.86783, size = 317, normalized size = 2.62 \begin{align*} \frac{4^{\frac{2}{3}}{\left (4^{\frac{1}{3}} \cos \left (2 \, a\right ) \operatorname{Ci}\left (2 \, b x^{n}\right ) + 4^{\frac{1}{3}} \cos \left (2 \, a\right ) \operatorname{Ci}\left (-2 \, b x^{n}\right ) - 2 \cdot 4^{\frac{1}{3}} n \log \left (x\right ) - 2 \cdot 4^{\frac{1}{3}} \sin \left (2 \, a\right ) \operatorname{Si}\left (2 \, b x^{n}\right )\right )} \left (-{\left (c \cos \left (b x^{n} + a\right )^{2} - c\right )} \sin \left (b x^{n} + a\right )\right )^{\frac{2}{3}}}{16 \,{\left (n \cos \left (b x^{n} + a\right )^{2} - n\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 \frac{\left (c \sin \left (b x^{n} + a\right )^{3}\right )^{\frac{2}{3}}}{x}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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