Optimal. Leaf size=67 \[ \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^{5/2}}{10 b^2}-\frac {a \left (a+b x^2\right ) \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}{8 b^2} \]
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Rubi [A] time = 0.05, antiderivative size = 67, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {1111, 640, 609} \[ \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^{5/2}}{10 b^2}-\frac {a \left (a+b x^2\right ) \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}{8 b^2} \]
Antiderivative was successfully verified.
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Rule 609
Rule 640
Rule 1111
Rubi steps
\begin {align*} \int x^3 \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int x \left (a^2+2 a b x+b^2 x^2\right )^{3/2} \, dx,x,x^2\right )\\ &=\frac {\left (a^2+2 a b x^2+b^2 x^4\right )^{5/2}}{10 b^2}-\frac {a \operatorname {Subst}\left (\int \left (a^2+2 a b x+b^2 x^2\right )^{3/2} \, dx,x,x^2\right )}{2 b}\\ &=-\frac {a \left (a+b x^2\right ) \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}{8 b^2}+\frac {\left (a^2+2 a b x^2+b^2 x^4\right )^{5/2}}{10 b^2}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 61, normalized size = 0.91 \[ \frac {x^4 \sqrt {\left (a+b x^2\right )^2} \left (10 a^3+20 a^2 b x^2+15 a b^2 x^4+4 b^3 x^6\right )}{40 \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.85, size = 35, normalized size = 0.52 \[ \frac {1}{10} \, b^{3} x^{10} + \frac {3}{8} \, a b^{2} x^{8} + \frac {1}{2} \, a^{2} b x^{6} + \frac {1}{4} \, a^{3} x^{4} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 45, normalized size = 0.67 \[ \frac {1}{40} \, {\left (4 \, b^{3} x^{10} + 15 \, a b^{2} x^{8} + 20 \, a^{2} b x^{6} + 10 \, a^{3} x^{4}\right )} \mathrm {sgn}\left (b x^{2} + a\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 58, normalized size = 0.87 \[ \frac {\left (4 b^{3} x^{6}+15 a \,b^{2} x^{4}+20 a^{2} b \,x^{2}+10 a^{3}\right ) \left (\left (b \,x^{2}+a \right )^{2}\right )^{\frac {3}{2}} x^{4}}{40 \left (b \,x^{2}+a \right )^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.33, size = 35, normalized size = 0.52 \[ \frac {1}{10} \, b^{3} x^{10} + \frac {3}{8} \, a b^{2} x^{8} + \frac {1}{2} \, a^{2} b x^{6} + \frac {1}{4} \, a^{3} x^{4} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.29, size = 46, normalized size = 0.69 \[ \frac {{\left (a^2+2\,a\,b\,x^2+b^2\,x^4\right )}^{3/2}\,\left (-a^2+3\,a\,b\,x^2+4\,b^2\,x^4\right )}{40\,b^2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int x^{3} \left (\left (a + b x^{2}\right )^{2}\right )^{\frac {3}{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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