Optimal. Leaf size=69 \[ \frac {a}{8 b^2 \left (a+b x^2\right ) \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}-\frac {1}{6 b^2 \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}} \]
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Rubi [A] time = 0.05, antiderivative size = 69, 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, 607} \[ \frac {a}{8 b^2 \left (a+b x^2\right ) \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}-\frac {1}{6 b^2 \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}} \]
Antiderivative was successfully verified.
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Rule 607
Rule 640
Rule 1111
Rubi steps
\begin {align*} \int \frac {x^3}{\left (a^2+2 a b x^2+b^2 x^4\right )^{5/2}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x}{\left (a^2+2 a b x+b^2 x^2\right )^{5/2}} \, dx,x,x^2\right )\\ &=-\frac {1}{6 b^2 \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}-\frac {a \operatorname {Subst}\left (\int \frac {1}{\left (a^2+2 a b x+b^2 x^2\right )^{5/2}} \, dx,x,x^2\right )}{2 b}\\ &=-\frac {1}{6 b^2 \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}+\frac {a}{8 b^2 \left (a+b x^2\right ) \left (a^2+2 a b x^2+b^2 x^4\right )^{3/2}}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 39, normalized size = 0.57 \[ \frac {-a-4 b x^2}{24 b^2 \left (a+b x^2\right )^3 \sqrt {\left (a+b x^2\right )^2}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.85, size = 58, normalized size = 0.84 \[ -\frac {4 \, b x^{2} + a}{24 \, {\left (b^{6} x^{8} + 4 \, a b^{5} x^{6} + 6 \, a^{2} b^{4} x^{4} + 4 \, a^{3} b^{3} x^{2} + a^{4} b^{2}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.21, size = 32, normalized size = 0.46 \[ -\frac {4 \, b x^{2} + a}{24 \, {\left (b x^{2} + a\right )}^{4} b^{2} \mathrm {sgn}\left (b x^{2} + a\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 32, normalized size = 0.46 \[ -\frac {\left (b \,x^{2}+a \right ) \left (4 b \,x^{2}+a \right )}{24 \left (\left (b \,x^{2}+a \right )^{2}\right )^{\frac {5}{2}} b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.36, size = 58, normalized size = 0.84 \[ -\frac {4 \, b x^{2} + a}{24 \, {\left (b^{6} x^{8} + 4 \, a b^{5} x^{6} + 6 \, a^{2} b^{4} x^{4} + 4 \, a^{3} b^{3} x^{2} + a^{4} b^{2}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.26, size = 42, normalized size = 0.61 \[ -\frac {\left (4\,b\,x^2+a\right )\,\sqrt {a^2+2\,a\,b\,x^2+b^2\,x^4}}{24\,b^2\,{\left (b\,x^2+a\right )}^5} \]
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 \[ \int \frac {x^{3}}{\left (\left (a + b x^{2}\right )^{2}\right )^{\frac {5}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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