Integrand size = 37, antiderivative size = 12 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2 x^2+\frac {1}{x+\log (16)} \]
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Time = 0.02 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.054, Rules used = {27, 1864} \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2 x^2+\frac {1}{x+\log (16)} \]
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Rule 27
Rule 1864
Rubi steps \begin{align*} \text {integral}& = \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{(x+\log (16))^2} \, dx \\ & = \int \left (4 x-\frac {1}{(x+\log (16))^2}\right ) \, dx \\ & = 2 x^2+\frac {1}{x+\log (16)} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.50 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2 x^2-2 \log ^2(16)+\frac {1}{x+\log (16)} \]
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Time = 0.42 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.25
method | result | size |
default | \(\frac {1}{x +4 \ln \left (2\right )}+2 x^{2}\) | \(15\) |
risch | \(\frac {1}{x +4 \ln \left (2\right )}+2 x^{2}\) | \(17\) |
gosper | \(\frac {2 x^{3}+8 x^{2} \ln \left (2\right )+1}{x +4 \ln \left (2\right )}\) | \(24\) |
norman | \(\frac {2 x^{3}+8 x^{2} \ln \left (2\right )+1}{x +4 \ln \left (2\right )}\) | \(24\) |
parallelrisch | \(\frac {2 x^{3}+8 x^{2} \ln \left (2\right )+1}{x +4 \ln \left (2\right )}\) | \(24\) |
meijerg | \(-\frac {x}{16 \ln \left (2\right )^{2} \left (1+\frac {x}{4 \ln \left (2\right )}\right )}+64 \ln \left (2\right )^{2} \left (-\frac {x}{4 \ln \left (2\right ) \left (1+\frac {x}{4 \ln \left (2\right )}\right )}+\ln \left (1+\frac {x}{4 \ln \left (2\right )}\right )\right )+128 \ln \left (2\right )^{2} \left (\frac {x \left (\frac {3 x}{4 \ln \left (2\right )}+6\right )}{12 \ln \left (2\right ) \left (1+\frac {x}{4 \ln \left (2\right )}\right )}-2 \ln \left (1+\frac {x}{4 \ln \left (2\right )}\right )\right )+64 \ln \left (2\right )^{2} \left (-\frac {x \left (-\frac {x^{2}}{8 \ln \left (2\right )^{2}}+\frac {3 x}{2 \ln \left (2\right )}+12\right )}{16 \ln \left (2\right ) \left (1+\frac {x}{4 \ln \left (2\right )}\right )}+3 \ln \left (1+\frac {x}{4 \ln \left (2\right )}\right )\right )\) | \(156\) |
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Time = 0.24 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.92 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=\frac {2 \, x^{3} + 8 \, x^{2} \log \left (2\right ) + 1}{x + 4 \, \log \left (2\right )} \]
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Time = 0.04 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2 x^{2} + \frac {1}{x + 4 \log {\left (2 \right )}} \]
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Time = 0.19 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.17 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2 \, x^{2} + \frac {1}{x + 4 \, \log \left (2\right )} \]
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Time = 0.26 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.17 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2 \, x^{2} + \frac {1}{x + 4 \, \log \left (2\right )} \]
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Time = 12.89 (sec) , antiderivative size = 58, normalized size of antiderivative = 4.83 \[ \int \frac {-1+4 x^3+8 x^2 \log (16)+4 x \log ^2(16)}{x^2+2 x \log (16)+\log ^2(16)} \, dx=2\,x^2+\frac {\mathrm {atanh}\left (\frac {2\,x+8\,\ln \left (2\right )}{2\,\sqrt {4\,\ln \left (2\right )+\ln \left (16\right )}\,\sqrt {4\,\ln \left (2\right )-\ln \left (16\right )}}\right )}{\sqrt {4\,\ln \left (2\right )+\ln \left (16\right )}\,\sqrt {4\,\ln \left (2\right )-\ln \left (16\right )}} \]
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