Optimal. Leaf size=23 \[ a^2 \log (x)+a b x^2+\frac {b^2 x^4}{4} \]
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Rubi [A] time = 0.01, antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {266, 43} \[ a^2 \log (x)+a b x^2+\frac {b^2 x^4}{4} \]
Antiderivative was successfully verified.
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Rule 43
Rule 266
Rubi steps
\begin {align*} \int \frac {\left (a+b x^2\right )^2}{x} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {(a+b x)^2}{x} \, dx,x,x^2\right )\\ &=\frac {1}{2} \operatorname {Subst}\left (\int \left (2 a b+\frac {a^2}{x}+b^2 x\right ) \, dx,x,x^2\right )\\ &=a b x^2+\frac {b^2 x^4}{4}+a^2 \log (x)\\ \end {align*}
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Mathematica [A] time = 0.00, size = 23, normalized size = 1.00 \[ a^2 \log (x)+a b x^2+\frac {b^2 x^4}{4} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.56, size = 21, normalized size = 0.91 \[ \frac {1}{4} \, b^{2} x^{4} + a b x^{2} + a^{2} \log \relax (x) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.07, size = 24, normalized size = 1.04 \[ \frac {1}{4} \, b^{2} x^{4} + a b x^{2} + \frac {1}{2} \, a^{2} \log \left (x^{2}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 22, normalized size = 0.96 \[ \frac {b^{2} x^{4}}{4}+a b \,x^{2}+a^{2} \ln \relax (x ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.39, size = 24, normalized size = 1.04 \[ \frac {1}{4} \, b^{2} x^{4} + a b x^{2} + \frac {1}{2} \, a^{2} \log \left (x^{2}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.03, size = 21, normalized size = 0.91 \[ a^2\,\ln \relax (x)+\frac {b^2\,x^4}{4}+a\,b\,x^2 \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.10, size = 20, normalized size = 0.87 \[ a^{2} \log {\relax (x )} + a b x^{2} + \frac {b^{2} x^{4}}{4} \]
Verification of antiderivative is not currently implemented for this CAS.
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