Optimal. Leaf size=68 \[ -\frac {F^a \left (c+d x^n\right )^{b \log (F)} \left (1+\frac {d x^n}{c}\right )^{-b \log (F)} \, _2F_1\left (-\frac {2}{n},-b \log (F);-\frac {2-n}{n};-\frac {d x^n}{c}\right )}{2 x^2} \]
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Rubi [A]
time = 0.03, antiderivative size = 68, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2306, 12, 372,
371} \begin {gather*} -\frac {F^a \left (c+d x^n\right )^{b \log (F)} \left (\frac {d x^n}{c}+1\right )^{-b \log (F)} \, _2F_1\left (-\frac {2}{n},-b \log (F);-\frac {2-n}{n};-\frac {d x^n}{c}\right )}{2 x^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 371
Rule 372
Rule 2306
Rubi steps
\begin {align*} \int \frac {F^{a+b \log \left (c+d x^n\right )}}{x^3} \, dx &=\int \frac {F^a \left (c+d x^n\right )^{b \log (F)}}{x^3} \, dx\\ &=F^a \int \frac {\left (c+d x^n\right )^{b \log (F)}}{x^3} \, dx\\ &=\left (F^a \left (c+d x^n\right )^{b \log (F)} \left (1+\frac {d x^n}{c}\right )^{-b \log (F)}\right ) \int \frac {\left (1+\frac {d x^n}{c}\right )^{b \log (F)}}{x^3} \, dx\\ &=-\frac {F^a \left (c+d x^n\right )^{b \log (F)} \left (1+\frac {d x^n}{c}\right )^{-b \log (F)} \, _2F_1\left (-\frac {2}{n},-b \log (F);-\frac {2-n}{n};-\frac {d x^n}{c}\right )}{2 x^2}\\ \end {align*}
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Mathematica [A]
time = 0.11, size = 85, normalized size = 1.25 \begin {gather*} -\frac {F^{a+b \log \left (c+d x^n\right )} \left (-\frac {d x^n}{c}\right )^{2/n} \left (c+d x^n\right ) \, _2F_1\left (\frac {2+n}{n},1+b \log (F);2+b \log (F);1+\frac {d x^n}{c}\right )}{c n x^2 (1+b \log (F))} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {F^{a +b \ln \left (c +d \,x^{n}\right )}}{x^{3}}\, dx\]
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(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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 = -0.01 \begin {gather*} \int \frac {F^{a+b\,\ln \left (c+d\,x^n\right )}}{x^3} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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