Optimal. Leaf size=71 \[ \frac{a^2 \log \left (a+b x^n\right )}{b^2 n (b c-a d)}-\frac{c^2 \log \left (c+d x^n\right )}{d^2 n (b c-a d)}+\frac{x^n}{b d n} \]
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Rubi [A] time = 0.0691811, antiderivative size = 71, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {446, 72} \[ \frac{a^2 \log \left (a+b x^n\right )}{b^2 n (b c-a d)}-\frac{c^2 \log \left (c+d x^n\right )}{d^2 n (b c-a d)}+\frac{x^n}{b d n} \]
Antiderivative was successfully verified.
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Rule 446
Rule 72
Rubi steps
\begin{align*} \int \frac{x^{-1+3 n}}{\left (a+b x^n\right ) \left (c+d x^n\right )} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{x^2}{(a+b x) (c+d x)} \, dx,x,x^n\right )}{n}\\ &=\frac{\operatorname{Subst}\left (\int \left (\frac{1}{b d}+\frac{a^2}{b (b c-a d) (a+b x)}+\frac{c^2}{d (-b c+a d) (c+d x)}\right ) \, dx,x,x^n\right )}{n}\\ &=\frac{x^n}{b d n}+\frac{a^2 \log \left (a+b x^n\right )}{b^2 (b c-a d) n}-\frac{c^2 \log \left (c+d x^n\right )}{d^2 (b c-a d) n}\\ \end{align*}
Mathematica [A] time = 0.0665049, size = 66, normalized size = 0.93 \[ \frac{\frac{a^2 \log \left (a+b x^n\right )}{b^2 (b c-a d)}-\frac{c^2 \log \left (c+d x^n\right )}{d^2 (b c-a d)}+\frac{x^n}{b d}}{n} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.026, size = 78, normalized size = 1.1 \begin{align*}{\frac{{{\rm e}^{n\ln \left ( x \right ) }}}{bdn}}+{\frac{{c}^{2}\ln \left ( c+d{{\rm e}^{n\ln \left ( x \right ) }} \right ) }{{d}^{2}n \left ( ad-bc \right ) }}-{\frac{{a}^{2}\ln \left ( a+b{{\rm e}^{n\ln \left ( x \right ) }} \right ) }{ \left ( ad-bc \right ){b}^{2}n}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.937863, size = 109, normalized size = 1.54 \begin{align*} \frac{a^{2} \log \left (\frac{b x^{n} + a}{b}\right )}{b^{3} c n - a b^{2} d n} - \frac{c^{2} \log \left (\frac{d x^{n} + c}{d}\right )}{b c d^{2} n - a d^{3} n} + \frac{x^{n}}{b d n} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.09306, size = 142, normalized size = 2. \begin{align*} \frac{a^{2} d^{2} \log \left (b x^{n} + a\right ) - b^{2} c^{2} \log \left (d x^{n} + c\right ) +{\left (b^{2} c d - a b d^{2}\right )} x^{n}}{{\left (b^{3} c d^{2} - a b^{2} d^{3}\right )} n} \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{x^{3 \, n - 1}}{{\left (b x^{n} + a\right )}{\left (d x^{n} + c\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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