Optimal. Leaf size=21 \[ \frac {2}{21} \log (2+3 x)-\frac {1}{35} \log (1+5 x) \]
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Rubi [A]
time = 0.01, antiderivative size = 21, 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, 646, 31}
\begin {gather*} \frac {2}{21} \log (3 x+2)-\frac {1}{35} \log (5 x+1) \end {gather*}
Antiderivative was successfully verified.
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Rule 31
Rule 646
Rule 1368
Rubi steps
\begin {align*} \int \frac {1}{\left (15+\frac {2}{x^2}+\frac {13}{x}\right ) x} \, dx &=\int \frac {x}{2+13 x+15 x^2} \, dx\\ &=-\left (\frac {3}{7} \int \frac {1}{3+15 x} \, dx\right )+\frac {10}{7} \int \frac {1}{10+15 x} \, dx\\ &=\frac {2}{21} \log (2+3 x)-\frac {1}{35} \log (1+5 x)\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 21, normalized size = 1.00 \begin {gather*} \frac {2}{21} \log (2+3 x)-\frac {1}{35} \log (1+5 x) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.01, size = 18, normalized size = 0.86
method | result | size |
default | \(\frac {2 \ln \left (2+3 x \right )}{21}-\frac {\ln \left (1+5 x \right )}{35}\) | \(18\) |
norman | \(\frac {2 \ln \left (2+3 x \right )}{21}-\frac {\ln \left (1+5 x \right )}{35}\) | \(18\) |
risch | \(\frac {2 \ln \left (2+3 x \right )}{21}-\frac {\ln \left (1+5 x \right )}{35}\) | \(18\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.31, size = 17, normalized size = 0.81 \begin {gather*} -\frac {1}{35} \, \log \left (5 \, x + 1\right ) + \frac {2}{21} \, \log \left (3 \, x + 2\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 17, normalized size = 0.81 \begin {gather*} -\frac {1}{35} \, \log \left (5 \, x + 1\right ) + \frac {2}{21} \, \log \left (3 \, x + 2\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 17, normalized size = 0.81 \begin {gather*} - \frac {\log {\left (x + \frac {1}{5} \right )}}{35} + \frac {2 \log {\left (x + \frac {2}{3} \right )}}{21} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 4.16, size = 19, normalized size = 0.90 \begin {gather*} -\frac {1}{35} \, \log \left ({\left | 5 \, x + 1 \right |}\right ) + \frac {2}{21} \, \log \left ({\left | 3 \, x + 2 \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.07, size = 13, normalized size = 0.62 \begin {gather*} \frac {2\,\ln \left (x+\frac {2}{3}\right )}{21}-\frac {\ln \left (x+\frac {1}{5}\right )}{35} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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