Integrand size = 11, antiderivative size = 20 \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=-\frac {\left (b x^n\right )^p}{(1-n p) x} \]
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Time = 0.01 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {15, 30} \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=-\frac {\left (b x^n\right )^p}{x (1-n p)} \]
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Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (x^{-n p} \left (b x^n\right )^p\right ) \int x^{-2+n p} \, dx \\ & = -\frac {\left (b x^n\right )^p}{(1-n p) x} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.90 \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=\frac {\left (b x^n\right )^p}{(-1+n p) x} \]
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Time = 0.03 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95
method | result | size |
gosper | \(\frac {\left (b \,x^{n}\right )^{p}}{x \left (n p -1\right )}\) | \(19\) |
parallelrisch | \(\frac {\left (b \,x^{n}\right )^{p}}{x \left (n p -1\right )}\) | \(19\) |
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none
Time = 0.29 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=\frac {e^{\left (n p \log \left (x\right ) + p \log \left (b\right )\right )}}{{\left (n p - 1\right )} x} \]
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Time = 0.51 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.35 \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=\begin {cases} \frac {\left (b x^{n}\right )^{p}}{n p x - x} & \text {for}\: n \neq \frac {1}{p} \\\frac {\left (b x^{\frac {1}{p}}\right )^{p} \log {\left (x \right )}}{x} & \text {otherwise} \end {cases} \]
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none
Time = 0.21 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=\frac {b^{p} {\left (x^{n}\right )}^{p}}{{\left (n p - 1\right )} x} \]
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\[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=\int { \frac {\left (b x^{n}\right )^{p}}{x^{2}} \,d x } \]
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Timed out. \[ \int \frac {\left (b x^n\right )^p}{x^2} \, dx=\int \frac {{\left (b\,x^n\right )}^p}{x^2} \,d x \]
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