Optimal. Leaf size=29 \[ \frac {1}{2} (A b+a B) x^2+\frac {1}{4} b B x^4+a A \log (x) \]
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Rubi [A]
time = 0.01, antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {457, 77}
\begin {gather*} \frac {1}{2} x^2 (a B+A b)+a A \log (x)+\frac {1}{4} b B x^4 \end {gather*}
Antiderivative was successfully verified.
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Rule 77
Rule 457
Rubi steps
\begin {align*} \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {(a+b x) (A+B x)}{x} \, dx,x,x^2\right )\\ &=\frac {1}{2} \text {Subst}\left (\int \left (A b+a B+\frac {a A}{x}+b B x\right ) \, dx,x,x^2\right )\\ &=\frac {1}{2} (A b+a B) x^2+\frac {1}{4} b B x^4+a A \log (x)\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 29, normalized size = 1.00 \begin {gather*} \frac {1}{2} (A b+a B) x^2+\frac {1}{4} b B x^4+a A \log (x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.04, size = 28, normalized size = 0.97
method | result | size |
norman | \(\left (\frac {A b}{2}+\frac {B a}{2}\right ) x^{2}+\frac {b B \,x^{4}}{4}+a A \ln \left (x \right )\) | \(27\) |
default | \(\frac {b B \,x^{4}}{4}+\frac {A b \,x^{2}}{2}+\frac {B a \,x^{2}}{2}+a A \ln \left (x \right )\) | \(28\) |
risch | \(\frac {b B \,x^{4}}{4}+\frac {A b \,x^{2}}{2}+\frac {B a \,x^{2}}{2}+\frac {b \,A^{2}}{4 B}+\frac {A a}{2}+\frac {B \,a^{2}}{4 b}+a A \ln \left (x \right )\) | \(50\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 28, normalized size = 0.97 \begin {gather*} \frac {1}{4} \, B b x^{4} + \frac {1}{2} \, {\left (B a + A b\right )} x^{2} + \frac {1}{2} \, A a \log \left (x^{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.72, size = 25, normalized size = 0.86 \begin {gather*} \frac {1}{4} \, B b x^{4} + \frac {1}{2} \, {\left (B a + A b\right )} x^{2} + A a \log \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 27, normalized size = 0.93 \begin {gather*} A a \log {\left (x \right )} + \frac {B b x^{4}}{4} + x^{2} \left (\frac {A b}{2} + \frac {B a}{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.23, size = 30, normalized size = 1.03 \begin {gather*} \frac {1}{4} \, B b x^{4} + \frac {1}{2} \, B a x^{2} + \frac {1}{2} \, A b x^{2} + \frac {1}{2} \, A a \log \left (x^{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 26, normalized size = 0.90 \begin {gather*} x^2\,\left (\frac {A\,b}{2}+\frac {B\,a}{2}\right )+\frac {B\,b\,x^4}{4}+A\,a\,\ln \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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