Integrand size = 19, antiderivative size = 17 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=\frac {1}{5} \left (\frac {2}{x^2}-\frac {174 x}{5}+\log (x)\right ) \]
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Time = 0.01 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.12, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {12, 14} \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=\frac {2}{5 x^2}-\frac {174 x}{25}+\frac {\log (x)}{5} \]
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Rule 12
Rule 14
Rubi steps \begin{align*} \text {integral}& = \frac {1}{25} \int \frac {-20+5 x^2-174 x^3}{x^3} \, dx \\ & = \frac {1}{25} \int \left (-174-\frac {20}{x^3}+\frac {5}{x}\right ) \, dx \\ & = \frac {2}{5 x^2}-\frac {174 x}{25}+\frac {\log (x)}{5} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=\frac {1}{25} \left (\frac {10}{x^2}-174 x+5 \log (x)\right ) \]
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Time = 0.04 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82
method | result | size |
default | \(-\frac {174 x}{25}+\frac {2}{5 x^{2}}+\frac {\ln \left (x \right )}{5}\) | \(14\) |
risch | \(-\frac {174 x}{25}+\frac {2}{5 x^{2}}+\frac {\ln \left (x \right )}{5}\) | \(14\) |
norman | \(\frac {\frac {2}{5}-\frac {174 x^{3}}{25}}{x^{2}}+\frac {\ln \left (x \right )}{5}\) | \(17\) |
parallelrisch | \(\frac {5 x^{2} \ln \left (x \right )-174 x^{3}+10}{25 x^{2}}\) | \(20\) |
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Time = 0.23 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.12 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=-\frac {174 \, x^{3} - 5 \, x^{2} \log \left (x\right ) - 10}{25 \, x^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=- \frac {174 x}{25} + \frac {\log {\left (x \right )}}{5} + \frac {2}{5 x^{2}} \]
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Time = 0.19 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=-\frac {174}{25} \, x + \frac {2}{5 \, x^{2}} + \frac {1}{5} \, \log \left (x\right ) \]
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Time = 0.25 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=-\frac {174}{25} \, x + \frac {2}{5 \, x^{2}} + \frac {1}{5} \, \log \left ({\left | x \right |}\right ) \]
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Time = 0.03 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {-20+5 x^2-174 x^3}{25 x^3} \, dx=\frac {\ln \left (x\right )}{5}-\frac {174\,x}{25}+\frac {2}{5\,x^2} \]
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