Integrand size = 18, antiderivative size = 160 \[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\frac {e \left (a+b x+c x^2\right )^{1+p}}{2 c (1+p)}-\frac {2^p (2 c d-b e) \left (-\frac {b-\sqrt {b^2-4 a c}+2 c x}{\sqrt {b^2-4 a c}}\right )^{-1-p} \left (a+b x+c x^2\right )^{1+p} \operatorname {Hypergeometric2F1}\left (-p,1+p,2+p,\frac {b+\sqrt {b^2-4 a c}+2 c x}{2 \sqrt {b^2-4 a c}}\right )}{c \sqrt {b^2-4 a c} (1+p)} \]
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Time = 0.04 (sec) , antiderivative size = 160, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {654, 638} \[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\frac {e \left (a+b x+c x^2\right )^{p+1}}{2 c (p+1)}-\frac {2^p (2 c d-b e) \left (-\frac {-\sqrt {b^2-4 a c}+b+2 c x}{\sqrt {b^2-4 a c}}\right )^{-p-1} \left (a+b x+c x^2\right )^{p+1} \operatorname {Hypergeometric2F1}\left (-p,p+1,p+2,\frac {b+2 c x+\sqrt {b^2-4 a c}}{2 \sqrt {b^2-4 a c}}\right )}{c (p+1) \sqrt {b^2-4 a c}} \]
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Rule 638
Rule 654
Rubi steps \begin{align*} \text {integral}& = \frac {e \left (a+b x+c x^2\right )^{1+p}}{2 c (1+p)}+\frac {(2 c d-b e) \int \left (a+b x+c x^2\right )^p \, dx}{2 c} \\ & = \frac {e \left (a+b x+c x^2\right )^{1+p}}{2 c (1+p)}-\frac {2^p (2 c d-b e) \left (-\frac {b-\sqrt {b^2-4 a c}+2 c x}{\sqrt {b^2-4 a c}}\right )^{-1-p} \left (a+b x+c x^2\right )^{1+p} \, _2F_1\left (-p,1+p;2+p;\frac {b+\sqrt {b^2-4 a c}+2 c x}{2 \sqrt {b^2-4 a c}}\right )}{c \sqrt {b^2-4 a c} (1+p)} \\ \end{align*}
Result contains higher order function than in optimal. Order 6 vs. order 5 in optimal.
Time = 0.37 (sec) , antiderivative size = 268, normalized size of antiderivative = 1.68 \[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\frac {1}{2} (a+x (b+c x))^p \left (e x^2 \left (\frac {b-\sqrt {b^2-4 a c}+2 c x}{b-\sqrt {b^2-4 a c}}\right )^{-p} \left (\frac {b+\sqrt {b^2-4 a c}+2 c x}{b+\sqrt {b^2-4 a c}}\right )^{-p} \operatorname {AppellF1}\left (2,-p,-p,3,-\frac {2 c x}{b+\sqrt {b^2-4 a c}},\frac {2 c x}{-b+\sqrt {b^2-4 a c}}\right )+\frac {2^p d \left (b-\sqrt {b^2-4 a c}+2 c x\right ) \left (\frac {b+\sqrt {b^2-4 a c}+2 c x}{\sqrt {b^2-4 a c}}\right )^{-p} \operatorname {Hypergeometric2F1}\left (-p,1+p,2+p,\frac {-b+\sqrt {b^2-4 a c}-2 c x}{2 \sqrt {b^2-4 a c}}\right )}{c (1+p)}\right ) \]
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\[\int \left (e x +d \right ) \left (c \,x^{2}+b x +a \right )^{p}d x\]
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\[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\int { {\left (e x + d\right )} {\left (c x^{2} + b x + a\right )}^{p} \,d x } \]
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\[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\int \left (d + e x\right ) \left (a + b x + c x^{2}\right )^{p}\, dx \]
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\[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\int { {\left (e x + d\right )} {\left (c x^{2} + b x + a\right )}^{p} \,d x } \]
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\[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\int { {\left (e x + d\right )} {\left (c x^{2} + b x + a\right )}^{p} \,d x } \]
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Timed out. \[ \int (d+e x) \left (a+b x+c x^2\right )^p \, dx=\int \left (d+e\,x\right )\,{\left (c\,x^2+b\,x+a\right )}^p \,d x \]
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