Integrand size = 12, antiderivative size = 20 \[ \int \frac {-21+12 x}{20 x} \, dx=4+\frac {3}{5} \left (5-e^4+x-\frac {7 \log (x)}{4}\right ) \]
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Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.60, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {12, 45} \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3 x}{5}-\frac {21 \log (x)}{20} \]
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Rule 12
Rule 45
Rubi steps \begin{align*} \text {integral}& = \frac {1}{20} \int \frac {-21+12 x}{x} \, dx \\ & = \frac {1}{20} \int \left (12-\frac {21}{x}\right ) \, dx \\ & = \frac {3 x}{5}-\frac {21 \log (x)}{20} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.60 \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3}{20} (4 x-7 \log (x)) \]
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Time = 0.07 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.45
method | result | size |
default | \(\frac {3 x}{5}-\frac {21 \ln \left (x \right )}{20}\) | \(9\) |
norman | \(\frac {3 x}{5}-\frac {21 \ln \left (x \right )}{20}\) | \(9\) |
risch | \(\frac {3 x}{5}-\frac {21 \ln \left (x \right )}{20}\) | \(9\) |
parallelrisch | \(\frac {3 x}{5}-\frac {21 \ln \left (x \right )}{20}\) | \(9\) |
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none
Time = 0.27 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.40 \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3}{5} \, x - \frac {21}{20} \, \log \left (x\right ) \]
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Time = 0.03 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.50 \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3 x}{5} - \frac {21 \log {\left (x \right )}}{20} \]
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none
Time = 0.19 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.40 \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3}{5} \, x - \frac {21}{20} \, \log \left (x\right ) \]
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none
Time = 0.27 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.45 \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3}{5} \, x - \frac {21}{20} \, \log \left ({\left | x \right |}\right ) \]
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Time = 0.02 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.40 \[ \int \frac {-21+12 x}{20 x} \, dx=\frac {3\,x}{5}-\frac {21\,\ln \left (x\right )}{20} \]
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