Optimal. Leaf size=34 \[ -\frac {1}{2 x}-\frac {13 \log (x)}{4}-\frac {9}{28} \log (2+3 x)+\frac {25}{7} \log (1+5 x) \]
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Rubi [A]
time = 0.02, antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {1368, 723, 814}
\begin {gather*} -\frac {1}{2 x}-\frac {13 \log (x)}{4}-\frac {9}{28} \log (3 x+2)+\frac {25}{7} \log (5 x+1) \end {gather*}
Antiderivative was successfully verified.
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Rule 723
Rule 814
Rule 1368
Rubi steps
\begin {align*} \int \frac {1}{\left (15+\frac {2}{x^2}+\frac {13}{x}\right ) x^4} \, dx &=\int \frac {1}{x^2 \left (2+13 x+15 x^2\right )} \, dx\\ &=-\frac {1}{2 x}+\frac {1}{2} \int \frac {-13-15 x}{x \left (2+13 x+15 x^2\right )} \, dx\\ &=-\frac {1}{2 x}+\frac {1}{2} \int \left (-\frac {13}{2 x}-\frac {27}{14 (2+3 x)}+\frac {250}{7 (1+5 x)}\right ) \, dx\\ &=-\frac {1}{2 x}-\frac {13 \log (x)}{4}-\frac {9}{28} \log (2+3 x)+\frac {25}{7} \log (1+5 x)\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 34, normalized size = 1.00 \begin {gather*} -\frac {1}{2 x}-\frac {13 \log (x)}{4}-\frac {9}{28} \log (2+3 x)+\frac {25}{7} \log (1+5 x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 27, normalized size = 0.79
method | result | size |
default | \(-\frac {1}{2 x}-\frac {13 \ln \left (x \right )}{4}-\frac {9 \ln \left (2+3 x \right )}{28}+\frac {25 \ln \left (1+5 x \right )}{7}\) | \(27\) |
norman | \(-\frac {1}{2 x}-\frac {13 \ln \left (x \right )}{4}-\frac {9 \ln \left (2+3 x \right )}{28}+\frac {25 \ln \left (1+5 x \right )}{7}\) | \(27\) |
risch | \(-\frac {1}{2 x}-\frac {13 \ln \left (x \right )}{4}-\frac {9 \ln \left (2+3 x \right )}{28}+\frac {25 \ln \left (1+5 x \right )}{7}\) | \(27\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 26, normalized size = 0.76 \begin {gather*} -\frac {1}{2 \, x} + \frac {25}{7} \, \log \left (5 \, x + 1\right ) - \frac {9}{28} \, \log \left (3 \, x + 2\right ) - \frac {13}{4} \, \log \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 30, normalized size = 0.88 \begin {gather*} \frac {100 \, x \log \left (5 \, x + 1\right ) - 9 \, x \log \left (3 \, x + 2\right ) - 91 \, x \log \left (x\right ) - 14}{28 \, x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.06, size = 31, normalized size = 0.91 \begin {gather*} - \frac {13 \log {\left (x \right )}}{4} + \frac {25 \log {\left (x + \frac {1}{5} \right )}}{7} - \frac {9 \log {\left (x + \frac {2}{3} \right )}}{28} - \frac {1}{2 x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 4.21, size = 29, normalized size = 0.85 \begin {gather*} -\frac {1}{2 \, x} + \frac {25}{7} \, \log \left ({\left | 5 \, x + 1 \right |}\right ) - \frac {9}{28} \, \log \left ({\left | 3 \, x + 2 \right |}\right ) - \frac {13}{4} \, \log \left ({\left | x \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 22, normalized size = 0.65 \begin {gather*} \frac {25\,\ln \left (x+\frac {1}{5}\right )}{7}-\frac {9\,\ln \left (x+\frac {2}{3}\right )}{28}-\frac {13\,\ln \left (x\right )}{4}-\frac {1}{2\,x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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