Optimal. Leaf size=49 \[ \frac{x^4 \left (\frac{c x}{b}+1\right )^{-p} \left (b x+c x^2\right )^p \, _2F_1\left (-p,p+4;p+5;-\frac{c x}{b}\right )}{p+4} \]
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Rubi [A] time = 0.0204716, antiderivative size = 49, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {674, 66, 64} \[ \frac{x^4 \left (\frac{c x}{b}+1\right )^{-p} \left (b x+c x^2\right )^p \, _2F_1\left (-p,p+4;p+5;-\frac{c x}{b}\right )}{p+4} \]
Antiderivative was successfully verified.
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Rule 674
Rule 66
Rule 64
Rubi steps
\begin{align*} \int x^3 \left (b x+c x^2\right )^p \, dx &=\left (x^{-p} (b+c x)^{-p} \left (b x+c x^2\right )^p\right ) \int x^{3+p} (b+c x)^p \, dx\\ &=\left (x^{-p} \left (1+\frac{c x}{b}\right )^{-p} \left (b x+c x^2\right )^p\right ) \int x^{3+p} \left (1+\frac{c x}{b}\right )^p \, dx\\ &=\frac{x^4 \left (1+\frac{c x}{b}\right )^{-p} \left (b x+c x^2\right )^p \, _2F_1\left (-p,4+p;5+p;-\frac{c x}{b}\right )}{4+p}\\ \end{align*}
Mathematica [A] time = 0.0076904, size = 47, normalized size = 0.96 \[ \frac{x^4 (x (b+c x))^p \left (\frac{c x}{b}+1\right )^{-p} \, _2F_1\left (-p,p+4;p+5;-\frac{c x}{b}\right )}{p+4} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.366, size = 0, normalized size = 0. \begin{align*} \int{x}^{3} \left ( c{x}^{2}+bx \right ) ^{p}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (c x^{2} + b x\right )}^{p} x^{3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (c x^{2} + b x\right )}^{p} x^{3}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{3} \left (x \left (b + c x\right )\right )^{p}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (c x^{2} + b x\right )}^{p} x^{3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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