Integrand size = 13, antiderivative size = 22 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {x (c x)^m \left (b x^2\right )^p}{1+m+2 p} \]
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Time = 0.00 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {15, 20, 30} \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {x \left (b x^2\right )^p (c x)^m}{m+2 p+1} \]
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Rule 15
Rule 20
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (x^{-2 p} \left (b x^2\right )^p\right ) \int x^{2 p} (c x)^m \, dx \\ & = \left (x^{-m-2 p} (c x)^m \left (b x^2\right )^p\right ) \int x^{m+2 p} \, dx \\ & = \frac {x (c x)^m \left (b x^2\right )^p}{1+m+2 p} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {x (c x)^m \left (b x^2\right )^p}{1+m+2 p} \]
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Time = 0.12 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05
method | result | size |
gosper | \(\frac {x \left (c x \right )^{m} \left (b \,x^{2}\right )^{p}}{1+m +2 p}\) | \(23\) |
parallelrisch | \(\frac {x \left (c x \right )^{m} \left (b \,x^{2}\right )^{p}}{1+m +2 p}\) | \(23\) |
norman | \(\frac {x \,{\mathrm e}^{m \ln \left (c x \right )} {\mathrm e}^{p \ln \left (b \,x^{2}\right )}}{1+m +2 p}\) | \(27\) |
risch | \(\frac {x^{2 p} b^{p} x^{m} c^{m} x \,{\mathrm e}^{\frac {i \pi \left (-\operatorname {csgn}\left (i c x \right )^{3} m +\operatorname {csgn}\left (i c x \right )^{2} \operatorname {csgn}\left (i c \right ) m +\operatorname {csgn}\left (i c x \right )^{2} \operatorname {csgn}\left (i x \right ) m -\operatorname {csgn}\left (i c x \right ) \operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x \right ) m -\operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i x \right )^{2} p +2 \operatorname {csgn}\left (i x^{2}\right )^{2} \operatorname {csgn}\left (i x \right ) p -\operatorname {csgn}\left (i x^{2}\right )^{3} p +\operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i b \,x^{2}\right )^{2} p -\operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i b \,x^{2}\right ) \operatorname {csgn}\left (i b \right ) p -\operatorname {csgn}\left (i b \,x^{2}\right )^{3} p +\operatorname {csgn}\left (i b \,x^{2}\right )^{2} \operatorname {csgn}\left (i b \right ) p \right )}{2}}}{1+m +2 p}\) | \(209\) |
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Time = 0.26 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.45 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {\left (c x\right )^{m} x e^{\left (2 \, p \log \left (c x\right ) + p \log \left (\frac {b}{c^{2}}\right )\right )}}{m + 2 \, p + 1} \]
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Leaf count of result is larger than twice the leaf count of optimal. 46 vs. \(2 (19) = 38\).
Time = 0.47 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.09 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\begin {cases} \frac {x \left (b x^{2}\right )^{p} \left (c x\right )^{m}}{m + 2 p + 1} & \text {for}\: m \neq - 2 p - 1 \\x \left (b x^{2}\right )^{p} \left (c x\right )^{- 2 p - 1} \log {\left (x \right )} & \text {otherwise} \end {cases} \]
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Time = 0.20 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.23 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {b^{p} c^{m} x e^{\left (m \log \left (x\right ) + 2 \, p \log \left (x\right )\right )}}{m + 2 \, p + 1} \]
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Time = 0.28 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.32 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {x e^{\left (p \log \left (b\right ) + m \log \left (c\right ) + m \log \left (x\right ) + 2 \, p \log \left (x\right )\right )}}{m + 2 \, p + 1} \]
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Time = 5.29 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int (c x)^m \left (b x^2\right )^p \, dx=\frac {x\,{\left (c\,x\right )}^m\,{\left (b\,x^2\right )}^p}{m+2\,p+1} \]
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