Integrand size = 15, antiderivative size = 13 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\left (a x^n\right )^{-1/n} \]
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Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {15, 30} \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\left (a x^n\right )^{-1/n} \]
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Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (x \left (a x^n\right )^{-1/n}\right ) \int \frac {1}{x^2} \, dx \\ & = -\left (a x^n\right )^{-1/n} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\left (a x^n\right )^{-1/n} \]
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Time = 0.05 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.08
method | result | size |
gosper | \(-\left (a \,x^{n}\right )^{-\frac {1}{n}}\) | \(14\) |
derivativedivides | \(-\left (a \,x^{n}\right )^{-\frac {1}{n}}\) | \(14\) |
default | \(-\left (a \,x^{n}\right )^{-\frac {1}{n}}\) | \(14\) |
parallelrisch | \(-\left (a \,x^{n}\right )^{-\frac {1}{n}}\) | \(14\) |
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none
Time = 0.25 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.92 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\frac {1}{a^{\left (\frac {1}{n}\right )} x} \]
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Time = 0.31 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.77 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=- \left (a x^{n}\right )^{- \frac {1}{n}} \]
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none
Time = 0.21 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.38 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\frac {1}{a^{\left (\frac {1}{n}\right )} {\left (x^{n}\right )}^{\left (\frac {1}{n}\right )}} \]
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none
Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\frac {1}{\left (a x^{n}\right )^{\left (\frac {1}{n}\right )}} \]
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Time = 5.60 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {\left (a x^n\right )^{-1/n}}{x} \, dx=-\frac {1}{{\left (a\,x^n\right )}^{1/n}} \]
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