Optimal. Leaf size=255 \[ \frac {a x^2}{2}-\frac {i b e^{i c} f (f+g x) \left (-i d (f+g x)^n\right )^{-1/n} \Gamma \left (\frac {1}{n},-i d (f+g x)^n\right )}{2 g^2 n}+\frac {i b e^{-i c} f (f+g x) \left (i d (f+g x)^n\right )^{-1/n} \Gamma \left (\frac {1}{n},i d (f+g x)^n\right )}{2 g^2 n}+\frac {i b e^{i c} (f+g x)^2 \left (-i d (f+g x)^n\right )^{-2/n} \Gamma \left (\frac {2}{n},-i d (f+g x)^n\right )}{2 g^2 n}-\frac {i b e^{-i c} (f+g x)^2 \left (i d (f+g x)^n\right )^{-2/n} \Gamma \left (\frac {2}{n},i d (f+g x)^n\right )}{2 g^2 n} \]
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Rubi [A]
time = 0.13, antiderivative size = 255, normalized size of antiderivative = 1.00, number of steps
used = 10, number of rules used = 6, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {14, 3514,
3446, 2239, 3504, 2250} \begin {gather*} \frac {i b e^{i c} (f+g x)^2 \left (-i d (f+g x)^n\right )^{-2/n} \text {Gamma}\left (\frac {2}{n},-i d (f+g x)^n\right )}{2 g^2 n}-\frac {i b e^{i c} f (f+g x) \left (-i d (f+g x)^n\right )^{-1/n} \text {Gamma}\left (\frac {1}{n},-i d (f+g x)^n\right )}{2 g^2 n}+\frac {i b e^{-i c} f (f+g x) \left (i d (f+g x)^n\right )^{-1/n} \text {Gamma}\left (\frac {1}{n},i d (f+g x)^n\right )}{2 g^2 n}-\frac {i b e^{-i c} (f+g x)^2 \left (i d (f+g x)^n\right )^{-2/n} \text {Gamma}\left (\frac {2}{n},i d (f+g x)^n\right )}{2 g^2 n}+\frac {a x^2}{2} \end {gather*}
Antiderivative was successfully verified.
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Rule 14
Rule 2239
Rule 2250
Rule 3446
Rule 3504
Rule 3514
Rubi steps
\begin {align*} \int x \left (a+b \sin \left (c+d (f+g x)^n\right )\right ) \, dx &=\int \left (a x+b x \sin \left (c+d (f+g x)^n\right )\right ) \, dx\\ &=\frac {a x^2}{2}+b \int x \sin \left (c+d (f+g x)^n\right ) \, dx\\ &=\frac {a x^2}{2}+\frac {b \text {Subst}\left (\int \left (-f \sin \left (c+d x^n\right )+x \sin \left (c+d x^n\right )\right ) \, dx,x,f+g x\right )}{g^2}\\ &=\frac {a x^2}{2}+\frac {b \text {Subst}\left (\int x \sin \left (c+d x^n\right ) \, dx,x,f+g x\right )}{g^2}-\frac {(b f) \text {Subst}\left (\int \sin \left (c+d x^n\right ) \, dx,x,f+g x\right )}{g^2}\\ &=\frac {a x^2}{2}+\frac {(i b) \text {Subst}\left (\int e^{-i c-i d x^n} x \, dx,x,f+g x\right )}{2 g^2}-\frac {(i b) \text {Subst}\left (\int e^{i c+i d x^n} x \, dx,x,f+g x\right )}{2 g^2}-\frac {(i b f) \text {Subst}\left (\int e^{-i c-i d x^n} \, dx,x,f+g x\right )}{2 g^2}+\frac {(i b f) \text {Subst}\left (\int e^{i c+i d x^n} \, dx,x,f+g x\right )}{2 g^2}\\ &=\frac {a x^2}{2}-\frac {i b e^{i c} f (f+g x) \left (-i d (f+g x)^n\right )^{-1/n} \Gamma \left (\frac {1}{n},-i d (f+g x)^n\right )}{2 g^2 n}+\frac {i b e^{-i c} f (f+g x) \left (i d (f+g x)^n\right )^{-1/n} \Gamma \left (\frac {1}{n},i d (f+g x)^n\right )}{2 g^2 n}+\frac {i b e^{i c} (f+g x)^2 \left (-i d (f+g x)^n\right )^{-2/n} \Gamma \left (\frac {2}{n},-i d (f+g x)^n\right )}{2 g^2 n}-\frac {i b e^{-i c} (f+g x)^2 \left (i d (f+g x)^n\right )^{-2/n} \Gamma \left (\frac {2}{n},i d (f+g x)^n\right )}{2 g^2 n}\\ \end {align*}
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Mathematica [A]
time = 0.33, size = 215, normalized size = 0.84 \begin {gather*} \frac {a x^2}{2}+\frac {b (f+g x) \left (-i d (f+g x)^n\right )^{-2/n} \left (f \left (-i d (f+g x)^n\right )^{\frac {1}{n}} \Gamma \left (\frac {1}{n},-i d (f+g x)^n\right )-(f+g x) \Gamma \left (\frac {2}{n},-i d (f+g x)^n\right )\right ) (-i \cos (c)+\sin (c))}{2 g^2 n}+\frac {b (f+g x) \left (i d (f+g x)^n\right )^{-2/n} \left (f \left (i d (f+g x)^n\right )^{\frac {1}{n}} \Gamma \left (\frac {1}{n},i d (f+g x)^n\right )-(f+g x) \Gamma \left (\frac {2}{n},i d (f+g x)^n\right )\right ) (i \cos (c)+\sin (c))}{2 g^2 n} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.05, size = 0, normalized size = 0.00 \[\int x \left (a +b \sin \left (c +d \left (g x +f \right )^{n}\right )\right )\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \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*} \int x \left (a + b \sin {\left (c + d \left (f + g x\right )^{n} \right )}\right )\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int x\,\left (a+b\,\sin \left (c+d\,{\left (f+g\,x\right )}^n\right )\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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