Integrand size = 17, antiderivative size = 29 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=-5 x+\frac {2 \left (2+x+\frac {1}{25} (3+x)^2\right )}{x}+5 (4-\log (x)) \]
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Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.59, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {12, 14} \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=-\frac {123 x}{25}+\frac {118}{25 x}-5 \log (x) \]
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Rule 12
Rule 14
Rubi steps \begin{align*} \text {integral}& = \frac {1}{25} \int \frac {-118-125 x-123 x^2}{x^2} \, dx \\ & = \frac {1}{25} \int \left (-123-\frac {118}{x^2}-\frac {125}{x}\right ) \, dx \\ & = \frac {118}{25 x}-\frac {123 x}{25}-5 \log (x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.59 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=\frac {1}{25} \left (\frac {118}{x}-123 x-125 \log (x)\right ) \]
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Time = 0.03 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.48
method | result | size |
default | \(-\frac {123 x}{25}+\frac {118}{25 x}-5 \ln \left (x \right )\) | \(14\) |
risch | \(-\frac {123 x}{25}+\frac {118}{25 x}-5 \ln \left (x \right )\) | \(14\) |
norman | \(\frac {\frac {118}{25}-\frac {123 x^{2}}{25}}{x}-5 \ln \left (x \right )\) | \(17\) |
parallelrisch | \(-\frac {125 x \ln \left (x \right )+123 x^{2}-118}{25 x}\) | \(18\) |
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Time = 0.25 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.59 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=-\frac {123 \, x^{2} + 125 \, x \log \left (x\right ) - 118}{25 \, x} \]
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Time = 0.03 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.48 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=- \frac {123 x}{25} - 5 \log {\left (x \right )} + \frac {118}{25 x} \]
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Time = 0.18 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.45 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=-\frac {123}{25} \, x + \frac {118}{25 \, x} - 5 \, \log \left (x\right ) \]
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Time = 0.26 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.48 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=-\frac {123}{25} \, x + \frac {118}{25 \, x} - 5 \, \log \left ({\left | x \right |}\right ) \]
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Time = 13.35 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.45 \[ \int \frac {-118-125 x-123 x^2}{25 x^2} \, dx=\frac {118}{25\,x}-5\,\ln \left (x\right )-\frac {123\,x}{25} \]
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