Optimal. Leaf size=15 \[ \frac {\log \left (b+c x^2\right )}{2 c} \]
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Rubi [A]
time = 0.01, antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {1598, 266}
\begin {gather*} \frac {\log \left (b+c x^2\right )}{2 c} \end {gather*}
Antiderivative was successfully verified.
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Rule 266
Rule 1598
Rubi steps
\begin {align*} \int \frac {x^3}{b x^2+c x^4} \, dx &=\int \frac {x}{b+c x^2} \, dx\\ &=\frac {\log \left (b+c x^2\right )}{2 c}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 15, normalized size = 1.00 \begin {gather*} \frac {\log \left (b+c x^2\right )}{2 c} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.09, size = 14, normalized size = 0.93
method | result | size |
default | \(\frac {\ln \left (c \,x^{2}+b \right )}{2 c}\) | \(14\) |
norman | \(\frac {\ln \left (c \,x^{2}+b \right )}{2 c}\) | \(14\) |
risch | \(\frac {\ln \left (c \,x^{2}+b \right )}{2 c}\) | \(14\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 13, normalized size = 0.87 \begin {gather*} \frac {\log \left (c x^{2} + b\right )}{2 \, c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.33, size = 13, normalized size = 0.87 \begin {gather*} \frac {\log \left (c x^{2} + b\right )}{2 \, c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.04, size = 10, normalized size = 0.67 \begin {gather*} \frac {\log {\left (b + c x^{2} \right )}}{2 c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 5.18, size = 14, normalized size = 0.93 \begin {gather*} \frac {\log \left ({\left | c x^{2} + b \right |}\right )}{2 \, c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 13, normalized size = 0.87 \begin {gather*} \frac {\ln \left (c\,x^2+b\right )}{2\,c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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