Optimal. Leaf size=53 \[ -\frac{d \left (a+b \log \left (c x^n\right )\right )}{3 x^3}-\frac{e \left (a+b \log \left (c x^n\right )\right )}{x}-\frac{b d n}{9 x^3}-\frac{b e n}{x} \]
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Rubi [A] time = 0.0466648, antiderivative size = 45, normalized size of antiderivative = 0.85, number of steps used = 4, number of rules used = 3, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143, Rules used = {14, 2334, 12} \[ -\frac{1}{3} \left (\frac{d}{x^3}+\frac{3 e}{x}\right ) \left (a+b \log \left (c x^n\right )\right )-\frac{b d n}{9 x^3}-\frac{b e n}{x} \]
Antiderivative was successfully verified.
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Rule 14
Rule 2334
Rule 12
Rubi steps
\begin{align*} \int \frac{\left (d+e x^2\right ) \left (a+b \log \left (c x^n\right )\right )}{x^4} \, dx &=-\frac{1}{3} \left (\frac{d}{x^3}+\frac{3 e}{x}\right ) \left (a+b \log \left (c x^n\right )\right )-(b n) \int \frac{-d-3 e x^2}{3 x^4} \, dx\\ &=-\frac{1}{3} \left (\frac{d}{x^3}+\frac{3 e}{x}\right ) \left (a+b \log \left (c x^n\right )\right )-\frac{1}{3} (b n) \int \frac{-d-3 e x^2}{x^4} \, dx\\ &=-\frac{1}{3} \left (\frac{d}{x^3}+\frac{3 e}{x}\right ) \left (a+b \log \left (c x^n\right )\right )-\frac{1}{3} (b n) \int \left (-\frac{d}{x^4}-\frac{3 e}{x^2}\right ) \, dx\\ &=-\frac{b d n}{9 x^3}-\frac{b e n}{x}-\frac{1}{3} \left (\frac{d}{x^3}+\frac{3 e}{x}\right ) \left (a+b \log \left (c x^n\right )\right )\\ \end{align*}
Mathematica [A] time = 0.0022991, size = 63, normalized size = 1.19 \[ -\frac{a d}{3 x^3}-\frac{a e}{x}-\frac{b d \log \left (c x^n\right )}{3 x^3}-\frac{b e \log \left (c x^n\right )}{x}-\frac{b d n}{9 x^3}-\frac{b e n}{x} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.103, size = 249, normalized size = 4.7 \begin{align*} -{\frac{b \left ( 3\,e{x}^{2}+d \right ) \ln \left ({x}^{n} \right ) }{3\,{x}^{3}}}-{\frac{9\,i\pi \,be{x}^{2}{\it csgn} \left ( i{x}^{n} \right ) \left ({\it csgn} \left ( ic{x}^{n} \right ) \right ) ^{2}-9\,i\pi \,be{x}^{2}{\it csgn} \left ( i{x}^{n} \right ){\it csgn} \left ( ic{x}^{n} \right ){\it csgn} \left ( ic \right ) -9\,i\pi \,be{x}^{2} \left ({\it csgn} \left ( ic{x}^{n} \right ) \right ) ^{3}+9\,i\pi \,be{x}^{2} \left ({\it csgn} \left ( ic{x}^{n} \right ) \right ) ^{2}{\it csgn} \left ( ic \right ) +18\,\ln \left ( c \right ) be{x}^{2}+18\,ben{x}^{2}+18\,ae{x}^{2}+3\,i\pi \,bd{\it csgn} \left ( i{x}^{n} \right ) \left ({\it csgn} \left ( ic{x}^{n} \right ) \right ) ^{2}-3\,i\pi \,bd{\it csgn} \left ( i{x}^{n} \right ){\it csgn} \left ( ic{x}^{n} \right ){\it csgn} \left ( ic \right ) -3\,i\pi \,bd \left ({\it csgn} \left ( ic{x}^{n} \right ) \right ) ^{3}+3\,i\pi \,bd \left ({\it csgn} \left ( ic{x}^{n} \right ) \right ) ^{2}{\it csgn} \left ( ic \right ) +6\,\ln \left ( c \right ) bd+2\,bdn+6\,ad}{18\,{x}^{3}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.12883, size = 77, normalized size = 1.45 \begin{align*} -\frac{b e n}{x} - \frac{b e \log \left (c x^{n}\right )}{x} - \frac{a e}{x} - \frac{b d n}{9 \, x^{3}} - \frac{b d \log \left (c x^{n}\right )}{3 \, x^{3}} - \frac{a d}{3 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.31323, size = 149, normalized size = 2.81 \begin{align*} -\frac{b d n + 9 \,{\left (b e n + a e\right )} x^{2} + 3 \, a d + 3 \,{\left (3 \, b e x^{2} + b d\right )} \log \left (c\right ) + 3 \,{\left (3 \, b e n x^{2} + b d n\right )} \log \left (x\right )}{9 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 2.00741, size = 75, normalized size = 1.42 \begin{align*} - \frac{a d}{3 x^{3}} - \frac{a e}{x} - \frac{b d n \log{\left (x \right )}}{3 x^{3}} - \frac{b d n}{9 x^{3}} - \frac{b d \log{\left (c \right )}}{3 x^{3}} - \frac{b e n \log{\left (x \right )}}{x} - \frac{b e n}{x} - \frac{b e \log{\left (c \right )}}{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.28694, size = 88, normalized size = 1.66 \begin{align*} -\frac{9 \, b n x^{2} e \log \left (x\right ) + 9 \, b n x^{2} e + 9 \, b x^{2} e \log \left (c\right ) + 9 \, a x^{2} e + 3 \, b d n \log \left (x\right ) + b d n + 3 \, b d \log \left (c\right ) + 3 \, a d}{9 \, x^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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