Optimal. Leaf size=123 \[ \frac{x \left (\frac{5 a}{d^2}+\frac{c}{e^2}\right )}{16 d \left (d+e x^2\right )}+\frac{x \left (\frac{5 a}{d^2}-\frac{7 c}{e^2}\right )}{24 \left (d+e x^2\right )^2}+\frac{x \left (a+\frac{c d^2}{e^2}\right )}{6 d \left (d+e x^2\right )^3}+\frac{\left (5 a e^2+c d^2\right ) \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{16 d^{7/2} e^{5/2}} \]
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Rubi [A] time = 0.114026, antiderivative size = 123, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.235, Rules used = {1158, 385, 199, 205} \[ \frac{x \left (\frac{5 a}{d^2}+\frac{c}{e^2}\right )}{16 d \left (d+e x^2\right )}+\frac{x \left (\frac{5 a}{d^2}-\frac{7 c}{e^2}\right )}{24 \left (d+e x^2\right )^2}+\frac{x \left (a+\frac{c d^2}{e^2}\right )}{6 d \left (d+e x^2\right )^3}+\frac{\left (5 a e^2+c d^2\right ) \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{16 d^{7/2} e^{5/2}} \]
Antiderivative was successfully verified.
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Rule 1158
Rule 385
Rule 199
Rule 205
Rubi steps
\begin{align*} \int \frac{a+c x^4}{\left (d+e x^2\right )^4} \, dx &=\frac{\left (a+\frac{c d^2}{e^2}\right ) x}{6 d \left (d+e x^2\right )^3}-\frac{\int \frac{-5 a+\frac{c d^2}{e^2}-\frac{6 c d x^2}{e}}{\left (d+e x^2\right )^3} \, dx}{6 d}\\ &=\frac{\left (a+\frac{c d^2}{e^2}\right ) x}{6 d \left (d+e x^2\right )^3}+\frac{\left (\frac{5 a}{d^2}-\frac{7 c}{e^2}\right ) x}{24 \left (d+e x^2\right )^2}+\frac{1}{8} \left (\frac{5 a}{d^2}+\frac{c}{e^2}\right ) \int \frac{1}{\left (d+e x^2\right )^2} \, dx\\ &=\frac{\left (a+\frac{c d^2}{e^2}\right ) x}{6 d \left (d+e x^2\right )^3}+\frac{\left (\frac{5 a}{d^2}-\frac{7 c}{e^2}\right ) x}{24 \left (d+e x^2\right )^2}+\frac{\left (\frac{5 a}{d^2}+\frac{c}{e^2}\right ) x}{16 d \left (d+e x^2\right )}+\frac{\left (\frac{5 a}{d^2}+\frac{c}{e^2}\right ) \int \frac{1}{d+e x^2} \, dx}{16 d}\\ &=\frac{\left (a+\frac{c d^2}{e^2}\right ) x}{6 d \left (d+e x^2\right )^3}+\frac{\left (\frac{5 a}{d^2}-\frac{7 c}{e^2}\right ) x}{24 \left (d+e x^2\right )^2}+\frac{\left (\frac{5 a}{d^2}+\frac{c}{e^2}\right ) x}{16 d \left (d+e x^2\right )}+\frac{\left (c d^2+5 a e^2\right ) \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{16 d^{7/2} e^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.0818858, size = 113, normalized size = 0.92 \[ \frac{x \left (a e^2 \left (33 d^2+40 d e x^2+15 e^2 x^4\right )+c d^2 \left (-3 d^2-8 d e x^2+3 e^2 x^4\right )\right )}{48 d^3 e^2 \left (d+e x^2\right )^3}+\frac{\left (5 a e^2+c d^2\right ) \tan ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d}}\right )}{16 d^{7/2} e^{5/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.053, size = 122, normalized size = 1. \begin{align*}{\frac{1}{ \left ( e{x}^{2}+d \right ) ^{3}} \left ({\frac{ \left ( 5\,a{e}^{2}+c{d}^{2} \right ){x}^{5}}{16\,{d}^{3}}}+{\frac{ \left ( 5\,a{e}^{2}-c{d}^{2} \right ){x}^{3}}{6\,{d}^{2}e}}+{\frac{ \left ( 11\,a{e}^{2}-c{d}^{2} \right ) x}{16\,d{e}^{2}}} \right ) }+{\frac{5\,a}{16\,{d}^{3}}\arctan \left ({ex{\frac{1}{\sqrt{de}}}} \right ){\frac{1}{\sqrt{de}}}}+{\frac{c}{16\,d{e}^{2}}\arctan \left ({ex{\frac{1}{\sqrt{de}}}} \right ){\frac{1}{\sqrt{de}}}} \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: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.99236, size = 875, normalized size = 7.11 \begin{align*} \left [\frac{6 \,{\left (c d^{3} e^{3} + 5 \, a d e^{5}\right )} x^{5} - 16 \,{\left (c d^{4} e^{2} - 5 \, a d^{2} e^{4}\right )} x^{3} - 3 \,{\left ({\left (c d^{2} e^{3} + 5 \, a e^{5}\right )} x^{6} + c d^{5} + 5 \, a d^{3} e^{2} + 3 \,{\left (c d^{3} e^{2} + 5 \, a d e^{4}\right )} x^{4} + 3 \,{\left (c d^{4} e + 5 \, a d^{2} e^{3}\right )} x^{2}\right )} \sqrt{-d e} \log \left (\frac{e x^{2} - 2 \, \sqrt{-d e} x - d}{e x^{2} + d}\right ) - 6 \,{\left (c d^{5} e - 11 \, a d^{3} e^{3}\right )} x}{96 \,{\left (d^{4} e^{6} x^{6} + 3 \, d^{5} e^{5} x^{4} + 3 \, d^{6} e^{4} x^{2} + d^{7} e^{3}\right )}}, \frac{3 \,{\left (c d^{3} e^{3} + 5 \, a d e^{5}\right )} x^{5} - 8 \,{\left (c d^{4} e^{2} - 5 \, a d^{2} e^{4}\right )} x^{3} + 3 \,{\left ({\left (c d^{2} e^{3} + 5 \, a e^{5}\right )} x^{6} + c d^{5} + 5 \, a d^{3} e^{2} + 3 \,{\left (c d^{3} e^{2} + 5 \, a d e^{4}\right )} x^{4} + 3 \,{\left (c d^{4} e + 5 \, a d^{2} e^{3}\right )} x^{2}\right )} \sqrt{d e} \arctan \left (\frac{\sqrt{d e} x}{d}\right ) - 3 \,{\left (c d^{5} e - 11 \, a d^{3} e^{3}\right )} x}{48 \,{\left (d^{4} e^{6} x^{6} + 3 \, d^{5} e^{5} x^{4} + 3 \, d^{6} e^{4} x^{2} + d^{7} e^{3}\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.0901, size = 204, normalized size = 1.66 \begin{align*} - \frac{\sqrt{- \frac{1}{d^{7} e^{5}}} \left (5 a e^{2} + c d^{2}\right ) \log{\left (- d^{4} e^{2} \sqrt{- \frac{1}{d^{7} e^{5}}} + x \right )}}{32} + \frac{\sqrt{- \frac{1}{d^{7} e^{5}}} \left (5 a e^{2} + c d^{2}\right ) \log{\left (d^{4} e^{2} \sqrt{- \frac{1}{d^{7} e^{5}}} + x \right )}}{32} + \frac{x^{5} \left (15 a e^{4} + 3 c d^{2} e^{2}\right ) + x^{3} \left (40 a d e^{3} - 8 c d^{3} e\right ) + x \left (33 a d^{2} e^{2} - 3 c d^{4}\right )}{48 d^{6} e^{2} + 144 d^{5} e^{3} x^{2} + 144 d^{4} e^{4} x^{4} + 48 d^{3} e^{5} x^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.13148, size = 135, normalized size = 1.1 \begin{align*} \frac{{\left (c d^{2} + 5 \, a e^{2}\right )} \arctan \left (\frac{x e^{\frac{1}{2}}}{\sqrt{d}}\right ) e^{\left (-\frac{5}{2}\right )}}{16 \, d^{\frac{7}{2}}} + \frac{{\left (3 \, c d^{2} x^{5} e^{2} - 8 \, c d^{3} x^{3} e + 15 \, a x^{5} e^{4} - 3 \, c d^{4} x + 40 \, a d x^{3} e^{3} + 33 \, a d^{2} x e^{2}\right )} e^{\left (-2\right )}}{48 \,{\left (x^{2} e + d\right )}^{3} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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