Optimal. Leaf size=32 \[ -\frac {\left (A+B x^2\right )^2}{4 (A b-a B) \left (a+b x^2\right )^2} \]
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Rubi [A]
time = 0.01, antiderivative size = 32, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {455, 37}
\begin {gather*} -\frac {\left (A+B x^2\right )^2}{4 \left (a+b x^2\right )^2 (A b-a B)} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 455
Rubi steps
\begin {align*} \int \frac {x \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {A+B x}{(a+b x)^3} \, dx,x,x^2\right )\\ &=-\frac {\left (A+B x^2\right )^2}{4 (A b-a B) \left (a+b x^2\right )^2}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 30, normalized size = 0.94 \begin {gather*} -\frac {A b+B \left (a+2 b x^2\right )}{4 b^2 \left (a+b x^2\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.07, size = 39, normalized size = 1.22
method | result | size |
gosper | \(-\frac {2 b B \,x^{2}+A b +B a}{4 b^{2} \left (b \,x^{2}+a \right )^{2}}\) | \(29\) |
norman | \(\frac {-\frac {B \,x^{2}}{2 b}-\frac {A b +B a}{4 b^{2}}}{\left (b \,x^{2}+a \right )^{2}}\) | \(33\) |
risch | \(\frac {-\frac {B \,x^{2}}{2 b}-\frac {A b +B a}{4 b^{2}}}{\left (b \,x^{2}+a \right )^{2}}\) | \(33\) |
default | \(-\frac {A b -B a}{4 b^{2} \left (b \,x^{2}+a \right )^{2}}-\frac {B}{2 b^{2} \left (b \,x^{2}+a \right )}\) | \(39\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 42, normalized size = 1.31 \begin {gather*} -\frac {2 \, B b x^{2} + B a + A b}{4 \, {\left (b^{4} x^{4} + 2 \, a b^{3} x^{2} + a^{2} b^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.93, size = 42, normalized size = 1.31 \begin {gather*} -\frac {2 \, B b x^{2} + B a + A b}{4 \, {\left (b^{4} x^{4} + 2 \, a b^{3} x^{2} + a^{2} b^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.28, size = 42, normalized size = 1.31 \begin {gather*} \frac {- A b - B a - 2 B b x^{2}}{4 a^{2} b^{2} + 8 a b^{3} x^{2} + 4 b^{4} x^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.44, size = 28, normalized size = 0.88 \begin {gather*} -\frac {2 \, B b x^{2} + B a + A b}{4 \, {\left (b x^{2} + a\right )}^{2} b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 44, normalized size = 1.38 \begin {gather*} -\frac {\frac {A\,b+B\,a}{4\,b^2}+\frac {B\,x^2}{2\,b}}{a^2+2\,a\,b\,x^2+b^2\,x^4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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