Integrand size = 28, antiderivative size = 22 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=4 \left (3 x+4 \left (x-\log \left (-\frac {9}{5} x (x+\log (16))\right )\right )\right ) \]
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Time = 0.03 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.68, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {1607, 1834} \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=28 x-16 \log (x)-16 \log (x+\log (16)) \]
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Rule 1607
Rule 1834
Rubi steps \begin{align*} \text {integral}& = \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x (x+\log (16))} \, dx \\ & = \int \left (28-\frac {16}{x}-\frac {16}{x+\log (16)}\right ) \, dx \\ & = 28 x-16 \log (x)-16 \log (x+\log (16)) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=4 (7 x-4 \log (x)-4 \log (x+\log (16))) \]
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Time = 0.13 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77
method | result | size |
risch | \(28 x -16 \ln \left (4 x \ln \left (2\right )+x^{2}\right )\) | \(17\) |
default | \(28 x -16 \ln \left (x \right )-16 \ln \left (x +4 \ln \left (2\right )\right )\) | \(18\) |
norman | \(28 x -16 \ln \left (x \right )-16 \ln \left (x +4 \ln \left (2\right )\right )\) | \(18\) |
parallelrisch | \(28 x -16 \ln \left (x \right )-16 \ln \left (x +4 \ln \left (2\right )\right )\) | \(18\) |
meijerg | \(-16 \ln \left (x \right )+32 \ln \left (2\right )+16 \ln \left (\ln \left (2\right )\right )+16 \ln \left (1+\frac {x}{4 \ln \left (2\right )}\right )+112 \ln \left (2\right ) \left (\frac {x}{4 \ln \left (2\right )}-\ln \left (1+\frac {x}{4 \ln \left (2\right )}\right )\right )+4 \left (28 \ln \left (2\right )-8\right ) \ln \left (1+\frac {x}{4 \ln \left (2\right )}\right )\) | \(69\) |
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Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.73 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=28 \, x - 16 \, \log \left (x^{2} + 4 \, x \log \left (2\right )\right ) \]
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Time = 0.07 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.68 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=28 x - 16 \log {\left (x^{2} + 4 x \log {\left (2 \right )} \right )} \]
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Time = 0.20 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=28 \, x - 16 \, \log \left (x + 4 \, \log \left (2\right )\right ) - 16 \, \log \left (x\right ) \]
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Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=28 \, x - 16 \, \log \left ({\left | x + 4 \, \log \left (2\right ) \right |}\right ) - 16 \, \log \left ({\left | x \right |}\right ) \]
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Time = 12.86 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.59 \[ \int \frac {-32 x+28 x^2+(-16+28 x) \log (16)}{x^2+x \log (16)} \, dx=28\,x-16\,\ln \left (x\,\left (x+\ln \left (16\right )\right )\right ) \]
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