Integrand size = 22, antiderivative size = 33 \[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\frac {x^4 \left (c x^2\right )^p (a+b x)^{-2 (2+p)}}{2 a (2+p)} \]
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Time = 0.01 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {15, 37} \[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\frac {x^4 \left (c x^2\right )^p (a+b x)^{-2 (p+2)}}{2 a (p+2)} \]
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Rule 15
Rule 37
Rubi steps \begin{align*} \text {integral}& = \left (x^{-2 p} \left (c x^2\right )^p\right ) \int x^{3+2 p} (a+b x)^{-5-2 p} \, dx \\ & = \frac {x^4 \left (c x^2\right )^p (a+b x)^{-2 (2+p)}}{2 a (2+p)} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.97 \[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\frac {x^4 \left (c x^2\right )^p (a+b x)^{-4-2 p}}{a (4+2 p)} \]
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Time = 0.34 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.97
method | result | size |
gosper | \(\frac {x^{4} \left (c \,x^{2}\right )^{p} \left (b x +a \right )^{-4-2 p}}{2 a \left (2+p \right )}\) | \(32\) |
parallelrisch | \(\frac {x^{5} \left (c \,x^{2}\right )^{p} \left (b x +a \right )^{-5-2 p} b +x^{4} \left (c \,x^{2}\right )^{p} \left (b x +a \right )^{-5-2 p} a}{2 a \left (2+p \right )}\) | \(58\) |
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none
Time = 0.23 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.21 \[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\frac {{\left (b x^{5} + a x^{4}\right )} \left (c x^{2}\right )^{p} {\left (b x + a\right )}^{-2 \, p - 5}}{2 \, {\left (a p + 2 \, a\right )}} \]
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\[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\int x^{3} \left (c x^{2}\right )^{p} \left (a + b x\right )^{- 2 p - 5}\, dx \]
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\[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\int { \left (c x^{2}\right )^{p} {\left (b x + a\right )}^{-2 \, p - 5} x^{3} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 74 vs. \(2 (33) = 66\).
Time = 0.29 (sec) , antiderivative size = 74, normalized size of antiderivative = 2.24 \[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\frac {\left (c x^{2}\right )^{p} b x^{5} e^{\left (-2 \, p \log \left (b x + a\right ) - 5 \, \log \left (b x + a\right )\right )} + \left (c x^{2}\right )^{p} a x^{4} e^{\left (-2 \, p \log \left (b x + a\right ) - 5 \, \log \left (b x + a\right )\right )}}{2 \, {\left (a p + 2 \, a\right )}} \]
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Time = 0.31 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00 \[ \int x^3 \left (c x^2\right )^p (a+b x)^{-5-2 p} \, dx=\frac {x^4\,{\left (c\,x^2\right )}^p}{2\,a\,\left (p+2\right )\,{\left (a+b\,x\right )}^{2\,p+4}} \]
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