Optimal. Leaf size=158 \[ \frac{b^3 x^5 \sqrt{a^2+2 a b x^2+b^2 x^4}}{5 \left (a+b x^2\right )}+\frac{a b^2 x^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}{a+b x^2}+\frac{3 a^2 b x \sqrt{a^2+2 a b x^2+b^2 x^4}}{a+b x^2}-\frac{a^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}{x \left (a+b x^2\right )} \]
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Rubi [A] time = 0.0397997, antiderivative size = 158, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {1112, 270} \[ \frac{b^3 x^5 \sqrt{a^2+2 a b x^2+b^2 x^4}}{5 \left (a+b x^2\right )}+\frac{a b^2 x^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}{a+b x^2}+\frac{3 a^2 b x \sqrt{a^2+2 a b x^2+b^2 x^4}}{a+b x^2}-\frac{a^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}{x \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
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Rule 1112
Rule 270
Rubi steps
\begin{align*} \int \frac{\left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}{x^2} \, dx &=\frac{\sqrt{a^2+2 a b x^2+b^2 x^4} \int \frac{\left (a b+b^2 x^2\right )^3}{x^2} \, dx}{b^2 \left (a b+b^2 x^2\right )}\\ &=\frac{\sqrt{a^2+2 a b x^2+b^2 x^4} \int \left (3 a^2 b^4+\frac{a^3 b^3}{x^2}+3 a b^5 x^2+b^6 x^4\right ) \, dx}{b^2 \left (a b+b^2 x^2\right )}\\ &=-\frac{a^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}{x \left (a+b x^2\right )}+\frac{3 a^2 b x \sqrt{a^2+2 a b x^2+b^2 x^4}}{a+b x^2}+\frac{a b^2 x^3 \sqrt{a^2+2 a b x^2+b^2 x^4}}{a+b x^2}+\frac{b^3 x^5 \sqrt{a^2+2 a b x^2+b^2 x^4}}{5 \left (a+b x^2\right )}\\ \end{align*}
Mathematica [A] time = 0.0151985, size = 60, normalized size = 0.38 \[ \frac{\sqrt{\left (a+b x^2\right )^2} \left (15 a^2 b x^2-5 a^3+5 a b^2 x^4+b^3 x^6\right )}{5 x \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.166, size = 58, normalized size = 0.4 \begin{align*} -{\frac{-{b}^{3}{x}^{6}-5\,a{x}^{4}{b}^{2}-15\,{a}^{2}b{x}^{2}+5\,{a}^{3}}{5\,x \left ( b{x}^{2}+a \right ) ^{3}} \left ( \left ( b{x}^{2}+a \right ) ^{2} \right ) ^{{\frac{3}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.00562, size = 49, normalized size = 0.31 \begin{align*} \frac{b^{3} x^{6} + 5 \, a b^{2} x^{4} + 15 \, a^{2} b x^{2} - 5 \, a^{3}}{5 \, x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.42198, size = 73, normalized size = 0.46 \begin{align*} \frac{b^{3} x^{6} + 5 \, a b^{2} x^{4} + 15 \, a^{2} b x^{2} - 5 \, a^{3}}{5 \, x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (\left (a + b x^{2}\right )^{2}\right )^{\frac{3}{2}}}{x^{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.11577, size = 86, normalized size = 0.54 \begin{align*} \frac{1}{5} \, b^{3} x^{5} \mathrm{sgn}\left (b x^{2} + a\right ) + a b^{2} x^{3} \mathrm{sgn}\left (b x^{2} + a\right ) + 3 \, a^{2} b x \mathrm{sgn}\left (b x^{2} + a\right ) - \frac{a^{3} \mathrm{sgn}\left (b x^{2} + a\right )}{x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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