Optimal. Leaf size=58 \[ \frac{(b c-a d)^2 \log \left (a+b x^2\right )}{2 a^2 b}-\frac{c \log (x) (b c-2 a d)}{a^2}-\frac{c^2}{2 a x^2} \]
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Rubi [A] time = 0.0577754, antiderivative size = 58, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {446, 88} \[ \frac{(b c-a d)^2 \log \left (a+b x^2\right )}{2 a^2 b}-\frac{c \log (x) (b c-2 a d)}{a^2}-\frac{c^2}{2 a x^2} \]
Antiderivative was successfully verified.
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Rule 446
Rule 88
Rubi steps
\begin{align*} \int \frac{\left (c+d x^2\right )^2}{x^3 \left (a+b x^2\right )} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{(c+d x)^2}{x^2 (a+b x)} \, dx,x,x^2\right )\\ &=\frac{1}{2} \operatorname{Subst}\left (\int \left (\frac{c^2}{a x^2}+\frac{c (-b c+2 a d)}{a^2 x}+\frac{(-b c+a d)^2}{a^2 (a+b x)}\right ) \, dx,x,x^2\right )\\ &=-\frac{c^2}{2 a x^2}-\frac{c (b c-2 a d) \log (x)}{a^2}+\frac{(b c-a d)^2 \log \left (a+b x^2\right )}{2 a^2 b}\\ \end{align*}
Mathematica [A] time = 0.02763, size = 60, normalized size = 1.03 \[ \frac{-a b c^2-2 b c x^2 \log (x) (b c-2 a d)+x^2 (b c-a d)^2 \log \left (a+b x^2\right )}{2 a^2 b x^2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 81, normalized size = 1.4 \begin{align*} -{\frac{{c}^{2}}{2\,a{x}^{2}}}+2\,{\frac{c\ln \left ( x \right ) d}{a}}-{\frac{{c}^{2}\ln \left ( x \right ) b}{{a}^{2}}}+{\frac{\ln \left ( b{x}^{2}+a \right ){d}^{2}}{2\,b}}-{\frac{\ln \left ( b{x}^{2}+a \right ) cd}{a}}+{\frac{b\ln \left ( b{x}^{2}+a \right ){c}^{2}}{2\,{a}^{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.01627, size = 93, normalized size = 1.6 \begin{align*} -\frac{{\left (b c^{2} - 2 \, a c d\right )} \log \left (x^{2}\right )}{2 \, a^{2}} - \frac{c^{2}}{2 \, a x^{2}} + \frac{{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \log \left (b x^{2} + a\right )}{2 \, a^{2} b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.51626, size = 159, normalized size = 2.74 \begin{align*} -\frac{a b c^{2} -{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} x^{2} \log \left (b x^{2} + a\right ) + 2 \,{\left (b^{2} c^{2} - 2 \, a b c d\right )} x^{2} \log \left (x\right )}{2 \, a^{2} b x^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.51608, size = 49, normalized size = 0.84 \begin{align*} - \frac{c^{2}}{2 a x^{2}} + \frac{c \left (2 a d - b c\right ) \log{\left (x \right )}}{a^{2}} + \frac{\left (a d - b c\right )^{2} \log{\left (\frac{a}{b} + x^{2} \right )}}{2 a^{2} b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.17646, size = 122, normalized size = 2.1 \begin{align*} -\frac{{\left (b c^{2} - 2 \, a c d\right )} \log \left (x^{2}\right )}{2 \, a^{2}} + \frac{{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \log \left ({\left | b x^{2} + a \right |}\right )}{2 \, a^{2} b} + \frac{b c^{2} x^{2} - 2 \, a c d x^{2} - a c^{2}}{2 \, a^{2} x^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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