Integrand size = 11, antiderivative size = 22 \[ \int (b x)^p (c x)^m \, dx=\frac {(b x)^{1+p} (c x)^m}{b (1+m+p)} \]
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Time = 0.01 (sec) , antiderivative size = 22, 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 = {20, 32} \[ \int (b x)^p (c x)^m \, dx=\frac {(b x)^{p+1} (c x)^m}{b (m+p+1)} \]
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Rule 20
Rule 32
Rubi steps \begin{align*} \text {integral}& = \left ((b x)^{-m} (c x)^m\right ) \int (b x)^{m+p} \, dx \\ & = \frac {(b x)^{1+p} (c x)^m}{b (1+m+p)} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int (b x)^p (c x)^m \, dx=\frac {x (b x)^p (c x)^m}{1+m+p} \]
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Time = 0.12 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86
method | result | size |
gosper | \(\frac {x \left (b x \right )^{p} \left (c x \right )^{m}}{1+m +p}\) | \(19\) |
parallelrisch | \(\frac {x \left (b x \right )^{p} \left (c x \right )^{m}}{1+m +p}\) | \(19\) |
norman | \(\frac {x \,{\mathrm e}^{m \ln \left (c x \right )} {\mathrm e}^{p \ln \left (b x \right )}}{1+m +p}\) | \(23\) |
risch | \(\frac {b^{p} x^{p} c^{m} x^{m} x \,{\mathrm e}^{\frac {i \pi \left (-\operatorname {csgn}\left (i c x \right )^{3} m +\operatorname {csgn}\left (i c x \right )^{2} \operatorname {csgn}\left (i c \right ) m +\operatorname {csgn}\left (i c x \right )^{2} \operatorname {csgn}\left (i x \right ) m -\operatorname {csgn}\left (i c x \right ) \operatorname {csgn}\left (i c \right ) \operatorname {csgn}\left (i x \right ) m +\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i b x \right )^{2} p -\operatorname {csgn}\left (i x \right ) \operatorname {csgn}\left (i b x \right ) \operatorname {csgn}\left (i b \right ) p -\operatorname {csgn}\left (i b x \right )^{3} p +\operatorname {csgn}\left (i b x \right )^{2} \operatorname {csgn}\left (i b \right ) p \right )}{2}}}{1+m +p}\) | \(147\) |
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none
Time = 0.27 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.32 \[ \int (b x)^p (c x)^m \, dx=\frac {\left (b x\right )^{p} x e^{\left (m \log \left (b x\right ) + m \log \left (\frac {c}{b}\right )\right )}}{m + p + 1} \]
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Leaf count of result is larger than twice the leaf count of optimal. 61 vs. \(2 (17) = 34\).
Time = 0.81 (sec) , antiderivative size = 61, normalized size of antiderivative = 2.77 \[ \int (b x)^p (c x)^m \, dx=\begin {cases} \frac {x \left (b x\right )^{p} \left (c x\right )^{m}}{m + p + 1} & \text {for}\: m \neq - p - 1 \\\begin {cases} b^{p} c^{- p - 1} \log {\left (x \right )} & \text {for}\: \left |{x}\right | < 1 \\- b^{p} c^{- p - 1} {G_{2, 2}^{2, 0}\left (\begin {matrix} & 1, 1 \\0, 0 & \end {matrix} \middle | {x} \right )} + b^{p} c^{- p - 1} {G_{2, 2}^{0, 2}\left (\begin {matrix} 1, 1 & \\ & 0, 0 \end {matrix} \middle | {x} \right )} & \text {otherwise} \end {cases} & \text {otherwise} \end {cases} \]
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Time = 0.24 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int (b x)^p (c x)^m \, dx=\frac {b^{p} c^{m} x e^{\left (m \log \left (x\right ) + p \log \left (x\right )\right )}}{m + p + 1} \]
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Time = 0.28 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.18 \[ \int (b x)^p (c x)^m \, dx=\frac {x e^{\left (p \log \left (b\right ) + m \log \left (c\right ) + m \log \left (x\right ) + p \log \left (x\right )\right )}}{m + p + 1} \]
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Time = 5.78 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int (b x)^p (c x)^m \, dx=\frac {x\,{\left (b\,x\right )}^p\,{\left (c\,x\right )}^m}{m+p+1} \]
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