Integrand size = 10, antiderivative size = 9 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^n\right )}{n} \]
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Time = 0.01 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3460, 2718} \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^n\right )}{n} \]
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Rule 2718
Rule 3460
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \sin (x) \, dx,x,x^n\right )}{n} \\ & = -\frac {\cos \left (x^n\right )}{n} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^n\right )}{n} \]
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Time = 0.16 (sec) , antiderivative size = 10, normalized size of antiderivative = 1.11
method | result | size |
default | \(-\frac {\cos \left (x^{n}\right )}{n}\) | \(10\) |
risch | \(-\frac {\cos \left (x^{n}\right )}{n}\) | \(10\) |
norman | \(\frac {2 \left (\tan ^{2}\left (\frac {{\mathrm e}^{n \ln \left (x \right )}}{2}\right )\right )}{n \left (1+\tan ^{2}\left (\frac {{\mathrm e}^{n \ln \left (x \right )}}{2}\right )\right )}\) | \(30\) |
meijerg | \(\frac {\sqrt {\pi }\, \left (\frac {2^{1-\frac {-1+n}{n}-\frac {1}{n}} \left (-1\right )^{\frac {1}{2}-\frac {-1+n}{2 n}-\frac {1}{2 n}}}{\sqrt {\pi }\, \Gamma \left (3-\frac {-1+n}{n}-\frac {1}{n}\right )}-\frac {\left (-1\right )^{\frac {1}{2}-\frac {-1+n}{2 n}-\frac {1}{2 n}} 2^{1-\frac {-1+n}{n}-\frac {1}{n}} \cos \left (x^{n}\right )}{\sqrt {\pi }\, \Gamma \left (3-\frac {-1+n}{n}-\frac {1}{n}\right )}\right )}{n}\) | \(126\) |
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Time = 0.27 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^{n}\right )}{n} \]
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Time = 1.48 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.78 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=- \frac {\cos {\left (x^{n} \right )}}{n} \]
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Time = 0.19 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^{n}\right )}{n} \]
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Time = 0.28 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^{n}\right )}{n} \]
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Time = 0.13 (sec) , antiderivative size = 9, normalized size of antiderivative = 1.00 \[ \int x^{-1+n} \sin \left (x^n\right ) \, dx=-\frac {\cos \left (x^n\right )}{n} \]
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