Integrand size = 11, antiderivative size = 15 \[ \int \frac {1-3 x^3}{x} \, dx=e^{e^4}-x^3+\log (-2 x) \]
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Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.53, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {14} \[ \int \frac {1-3 x^3}{x} \, dx=\log (x)-x^3 \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{x}-3 x^2\right ) \, dx \\ & = -x^3+\log (x) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.53 \[ \int \frac {1-3 x^3}{x} \, dx=-x^3+\log (x) \]
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Time = 0.17 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.60
method | result | size |
default | \(-x^{3}+\ln \left (x \right )\) | \(9\) |
norman | \(-x^{3}+\ln \left (x \right )\) | \(9\) |
risch | \(-x^{3}+\ln \left (x \right )\) | \(9\) |
parallelrisch | \(-x^{3}+\ln \left (x \right )\) | \(9\) |
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none
Time = 0.22 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.53 \[ \int \frac {1-3 x^3}{x} \, dx=-x^{3} + \log \left (x\right ) \]
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Time = 0.03 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.33 \[ \int \frac {1-3 x^3}{x} \, dx=- x^{3} + \log {\left (x \right )} \]
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none
Time = 0.19 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {1-3 x^3}{x} \, dx=-x^{3} + \frac {1}{3} \, \log \left (x^{3}\right ) \]
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none
Time = 0.24 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.60 \[ \int \frac {1-3 x^3}{x} \, dx=-x^{3} + \log \left ({\left | x \right |}\right ) \]
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Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.53 \[ \int \frac {1-3 x^3}{x} \, dx=\ln \left (x\right )-x^3 \]
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