Optimal. Leaf size=116 \[ \frac{3 x \left (\frac{a^2}{c^2}-\frac{b^2}{d^2}\right )}{8 \left (c+d x^2\right )}+\frac{\left (3 a^2 d^2+2 a b c d+3 b^2 c^2\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{8 c^{5/2} d^{5/2}}-\frac{x \left (a+b x^2\right ) (b c-a d)}{4 c d \left (c+d x^2\right )^2} \]
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Rubi [A] time = 0.0722065, antiderivative size = 116, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.158, Rules used = {413, 385, 205} \[ \frac{3 x \left (\frac{a^2}{c^2}-\frac{b^2}{d^2}\right )}{8 \left (c+d x^2\right )}+\frac{\left (3 a^2 d^2+2 a b c d+3 b^2 c^2\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{8 c^{5/2} d^{5/2}}-\frac{x \left (a+b x^2\right ) (b c-a d)}{4 c d \left (c+d x^2\right )^2} \]
Antiderivative was successfully verified.
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Rule 413
Rule 385
Rule 205
Rubi steps
\begin{align*} \int \frac{\left (a+b x^2\right )^2}{\left (c+d x^2\right )^3} \, dx &=-\frac{(b c-a d) x \left (a+b x^2\right )}{4 c d \left (c+d x^2\right )^2}+\frac{\int \frac{a (b c+3 a d)+b (3 b c+a d) x^2}{\left (c+d x^2\right )^2} \, dx}{4 c d}\\ &=-\frac{(b c-a d) x \left (a+b x^2\right )}{4 c d \left (c+d x^2\right )^2}+\frac{3 \left (\frac{a^2}{c^2}-\frac{b^2}{d^2}\right ) x}{8 \left (c+d x^2\right )}+\frac{\left (3 b^2 c^2+2 a b c d+3 a^2 d^2\right ) \int \frac{1}{c+d x^2} \, dx}{8 c^2 d^2}\\ &=-\frac{(b c-a d) x \left (a+b x^2\right )}{4 c d \left (c+d x^2\right )^2}+\frac{3 \left (\frac{a^2}{c^2}-\frac{b^2}{d^2}\right ) x}{8 \left (c+d x^2\right )}+\frac{\left (3 b^2 c^2+2 a b c d+3 a^2 d^2\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{8 c^{5/2} d^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.0930836, size = 121, normalized size = 1.04 \[ \frac{x \left (a^2 d^2 \left (5 c+3 d x^2\right )-2 a b c d \left (c-d x^2\right )-b^2 c^2 \left (3 c+5 d x^2\right )\right )}{8 c^2 d^2 \left (c+d x^2\right )^2}+\frac{\left (3 a^2 d^2+2 a b c d+3 b^2 c^2\right ) \tan ^{-1}\left (\frac{\sqrt{d} x}{\sqrt{c}}\right )}{8 c^{5/2} d^{5/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.009, size = 147, normalized size = 1.3 \begin{align*}{\frac{1}{ \left ( d{x}^{2}+c \right ) ^{2}} \left ({\frac{ \left ( 3\,{a}^{2}{d}^{2}+2\,abcd-5\,{b}^{2}{c}^{2} \right ){x}^{3}}{8\,{c}^{2}d}}+{\frac{ \left ( 5\,{a}^{2}{d}^{2}-2\,abcd-3\,{b}^{2}{c}^{2} \right ) x}{8\,{d}^{2}c}} \right ) }+{\frac{3\,{a}^{2}}{8\,{c}^{2}}\arctan \left ({dx{\frac{1}{\sqrt{cd}}}} \right ){\frac{1}{\sqrt{cd}}}}+{\frac{ab}{4\,cd}\arctan \left ({dx{\frac{1}{\sqrt{cd}}}} \right ){\frac{1}{\sqrt{cd}}}}+{\frac{3\,{b}^{2}}{8\,{d}^{2}}\arctan \left ({dx{\frac{1}{\sqrt{cd}}}} \right ){\frac{1}{\sqrt{cd}}}} \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 [B] time = 1.75657, size = 921, normalized size = 7.94 \begin{align*} \left [-\frac{2 \,{\left (5 \, b^{2} c^{3} d^{2} - 2 \, a b c^{2} d^{3} - 3 \, a^{2} c d^{4}\right )} x^{3} +{\left (3 \, b^{2} c^{4} + 2 \, a b c^{3} d + 3 \, a^{2} c^{2} d^{2} +{\left (3 \, b^{2} c^{2} d^{2} + 2 \, a b c d^{3} + 3 \, a^{2} d^{4}\right )} x^{4} + 2 \,{\left (3 \, b^{2} c^{3} d + 2 \, a b c^{2} d^{2} + 3 \, a^{2} c d^{3}\right )} x^{2}\right )} \sqrt{-c d} \log \left (\frac{d x^{2} - 2 \, \sqrt{-c d} x - c}{d x^{2} + c}\right ) + 2 \,{\left (3 \, b^{2} c^{4} d + 2 \, a b c^{3} d^{2} - 5 \, a^{2} c^{2} d^{3}\right )} x}{16 \,{\left (c^{3} d^{5} x^{4} + 2 \, c^{4} d^{4} x^{2} + c^{5} d^{3}\right )}}, -\frac{{\left (5 \, b^{2} c^{3} d^{2} - 2 \, a b c^{2} d^{3} - 3 \, a^{2} c d^{4}\right )} x^{3} -{\left (3 \, b^{2} c^{4} + 2 \, a b c^{3} d + 3 \, a^{2} c^{2} d^{2} +{\left (3 \, b^{2} c^{2} d^{2} + 2 \, a b c d^{3} + 3 \, a^{2} d^{4}\right )} x^{4} + 2 \,{\left (3 \, b^{2} c^{3} d + 2 \, a b c^{2} d^{2} + 3 \, a^{2} c d^{3}\right )} x^{2}\right )} \sqrt{c d} \arctan \left (\frac{\sqrt{c d} x}{c}\right ) +{\left (3 \, b^{2} c^{4} d + 2 \, a b c^{3} d^{2} - 5 \, a^{2} c^{2} d^{3}\right )} x}{8 \,{\left (c^{3} d^{5} x^{4} + 2 \, c^{4} d^{4} x^{2} + c^{5} d^{3}\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 1.16113, size = 223, normalized size = 1.92 \begin{align*} - \frac{\sqrt{- \frac{1}{c^{5} d^{5}}} \left (3 a^{2} d^{2} + 2 a b c d + 3 b^{2} c^{2}\right ) \log{\left (- c^{3} d^{2} \sqrt{- \frac{1}{c^{5} d^{5}}} + x \right )}}{16} + \frac{\sqrt{- \frac{1}{c^{5} d^{5}}} \left (3 a^{2} d^{2} + 2 a b c d + 3 b^{2} c^{2}\right ) \log{\left (c^{3} d^{2} \sqrt{- \frac{1}{c^{5} d^{5}}} + x \right )}}{16} + \frac{x^{3} \left (3 a^{2} d^{3} + 2 a b c d^{2} - 5 b^{2} c^{2} d\right ) + x \left (5 a^{2} c d^{2} - 2 a b c^{2} d - 3 b^{2} c^{3}\right )}{8 c^{4} d^{2} + 16 c^{3} d^{3} x^{2} + 8 c^{2} d^{4} x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.08346, size = 170, normalized size = 1.47 \begin{align*} \frac{{\left (3 \, b^{2} c^{2} + 2 \, a b c d + 3 \, a^{2} d^{2}\right )} \arctan \left (\frac{d x}{\sqrt{c d}}\right )}{8 \, \sqrt{c d} c^{2} d^{2}} - \frac{5 \, b^{2} c^{2} d x^{3} - 2 \, a b c d^{2} x^{3} - 3 \, a^{2} d^{3} x^{3} + 3 \, b^{2} c^{3} x + 2 \, a b c^{2} d x - 5 \, a^{2} c d^{2} x}{8 \,{\left (d x^{2} + c\right )}^{2} c^{2} d^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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