Optimal. Leaf size=28 \[ 1-\log \left (-\left (5-\frac {3}{x}\right )^2+\frac {1}{x^2}+5 x (5+x) \log (4)\right ) \]
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Rubi [A]
time = 0.12, antiderivative size = 32, normalized size of antiderivative = 1.14, number of steps
used = 3, number of rules used = 2, integrand size = 50, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.040, Rules used = {2099, 1601}
\begin {gather*} 2 \log (x)-\log \left (-5 x^4 \log (4)-25 x^3 \log (4)+25 x^2-30 x+8\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 1601
Rule 2099
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \left (\frac {2}{x}-\frac {5 \left (6-10 x+15 x^2 \log (4)+4 x^3 \log (4)\right )}{-8+30 x-25 x^2+25 x^3 \log (4)+5 x^4 \log (4)}\right ) \, dx\\ &=2 \log (x)-5 \int \frac {6-10 x+15 x^2 \log (4)+4 x^3 \log (4)}{-8+30 x-25 x^2+25 x^3 \log (4)+5 x^4 \log (4)} \, dx\\ &=2 \log (x)-\log \left (8-30 x+25 x^2-25 x^3 \log (4)-5 x^4 \log (4)\right )\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.02, size = 32, normalized size = 1.14 \begin {gather*} 2 \log (x)-\log \left (8-30 x+25 x^2-25 x^3 \log (4)-5 x^4 \log (4)\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.37, size = 33, normalized size = 1.18
method | result | size |
default | \(2 \ln \left (x \right )-\ln \left (10 x^{4} \ln \left (2\right )+50 x^{3} \ln \left (2\right )-25 x^{2}+30 x -8\right )\) | \(33\) |
norman | \(2 \ln \left (x \right )-\ln \left (10 x^{4} \ln \left (2\right )+50 x^{3} \ln \left (2\right )-25 x^{2}+30 x -8\right )\) | \(33\) |
risch | \(2 \ln \left (-x \right )-\ln \left (10 x^{4} \ln \left (2\right )+50 x^{3} \ln \left (2\right )-25 x^{2}+30 x -8\right )\) | \(35\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 32, normalized size = 1.14 \begin {gather*} -\log \left (10 \, x^{4} \log \left (2\right ) + 50 \, x^{3} \log \left (2\right ) - 25 \, x^{2} + 30 \, x - 8\right ) + 2 \, \log \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.38, size = 31, normalized size = 1.11 \begin {gather*} -\log \left (-25 \, x^{2} + 10 \, {\left (x^{4} + 5 \, x^{3}\right )} \log \left (2\right ) + 30 \, x - 8\right ) + 2 \, \log \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 1.71, size = 37, normalized size = 1.32 \begin {gather*} 2 \log {\left (x \right )} - \log {\left (x^{4} + 5 x^{3} - \frac {5 x^{2}}{2 \log {\left (2 \right )}} + \frac {3 x}{\log {\left (2 \right )}} - \frac {4}{5 \log {\left (2 \right )}} \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 34, normalized size = 1.21 \begin {gather*} -\log \left ({\left | 10 \, x^{4} \log \left (2\right ) + 50 \, x^{3} \log \left (2\right ) - 25 \, x^{2} + 30 \, x - 8 \right |}\right ) + 2 \, \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 = 5.40, size = 32, normalized size = 1.14 \begin {gather*} 2\,\ln \left (x\right )-\ln \left (30\,\ln \left (2\right )\,x^4+150\,\ln \left (2\right )\,x^3-75\,x^2+90\,x-24\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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