Optimal. Leaf size=161 \[ \frac{b 2^p \left (a+b x^3+c x^6\right )^{p+1} \left (-\frac{-\sqrt{b^2-4 a c}+b+2 c x^3}{\sqrt{b^2-4 a c}}\right )^{-p-1} \, _2F_1\left (-p,p+1;p+2;\frac{2 c x^3+b+\sqrt{b^2-4 a c}}{2 \sqrt{b^2-4 a c}}\right )}{3 c (p+1) \sqrt{b^2-4 a c}}+\frac{\left (a+b x^3+c x^6\right )^{p+1}}{6 c (p+1)} \]
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Rubi [A] time = 0.116984, antiderivative size = 161, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {1357, 640, 624} \[ \frac{b 2^p \left (a+b x^3+c x^6\right )^{p+1} \left (-\frac{-\sqrt{b^2-4 a c}+b+2 c x^3}{\sqrt{b^2-4 a c}}\right )^{-p-1} \, _2F_1\left (-p,p+1;p+2;\frac{2 c x^3+b+\sqrt{b^2-4 a c}}{2 \sqrt{b^2-4 a c}}\right )}{3 c (p+1) \sqrt{b^2-4 a c}}+\frac{\left (a+b x^3+c x^6\right )^{p+1}}{6 c (p+1)} \]
Antiderivative was successfully verified.
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Rule 1357
Rule 640
Rule 624
Rubi steps
\begin{align*} \int x^5 \left (a+b x^3+c x^6\right )^p \, dx &=\frac{1}{3} \operatorname{Subst}\left (\int x \left (a+b x+c x^2\right )^p \, dx,x,x^3\right )\\ &=\frac{\left (a+b x^3+c x^6\right )^{1+p}}{6 c (1+p)}-\frac{b \operatorname{Subst}\left (\int \left (a+b x+c x^2\right )^p \, dx,x,x^3\right )}{6 c}\\ &=\frac{\left (a+b x^3+c x^6\right )^{1+p}}{6 c (1+p)}+\frac{2^p b \left (-\frac{b-\sqrt{b^2-4 a c}+2 c x^3}{\sqrt{b^2-4 a c}}\right )^{-1-p} \left (a+b x^3+c x^6\right )^{1+p} \, _2F_1\left (-p,1+p;2+p;\frac{b+\sqrt{b^2-4 a c}+2 c x^3}{2 \sqrt{b^2-4 a c}}\right )}{3 c \sqrt{b^2-4 a c} (1+p)}\\ \end{align*}
Mathematica [C] time = 0.21815, size = 162, normalized size = 1.01 \[ \frac{1}{6} x^6 \left (\frac{-\sqrt{b^2-4 a c}+b+2 c x^3}{b-\sqrt{b^2-4 a c}}\right )^{-p} \left (\frac{\sqrt{b^2-4 a c}+b+2 c x^3}{\sqrt{b^2-4 a c}+b}\right )^{-p} \left (a+b x^3+c x^6\right )^p F_1\left (2;-p,-p;3;-\frac{2 c x^3}{b+\sqrt{b^2-4 a c}},\frac{2 c x^3}{\sqrt{b^2-4 a c}-b}\right ) \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.028, size = 0, normalized size = 0. \begin{align*} \int{x}^{5} \left ( c{x}^{6}+b{x}^{3}+a \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^{6} + b x^{3} + a\right )}^{p} x^{5}\,{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^{6} + b x^{3} + a\right )}^{p} x^{5}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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^{6} + b x^{3} + a\right )}^{p} x^{5}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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