Optimal. Leaf size=79 \[ \frac{a x^{m+1} (a+b x)^n \left (\frac{b x}{a}+1\right )^{-n} (c+d x)^n \left (\frac{d x}{c}+1\right )^{-n} F_1\left (m+1;-n-1,-n;m+2;-\frac{b x}{a},-\frac{d x}{c}\right )}{m+1} \]
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Rubi [A] time = 0.0452354, antiderivative size = 79, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.1, Rules used = {135, 133} \[ \frac{a x^{m+1} (a+b x)^n \left (\frac{b x}{a}+1\right )^{-n} (c+d x)^n \left (\frac{d x}{c}+1\right )^{-n} F_1\left (m+1;-n-1,-n;m+2;-\frac{b x}{a},-\frac{d x}{c}\right )}{m+1} \]
Antiderivative was successfully verified.
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Rule 135
Rule 133
Rubi steps
\begin{align*} \int x^m (a+b x)^{1+n} (c+d x)^n \, dx &=\left (a (a+b x)^n \left (1+\frac{b x}{a}\right )^{-n}\right ) \int x^m \left (1+\frac{b x}{a}\right )^{1+n} (c+d x)^n \, dx\\ &=\left (a (a+b x)^n \left (1+\frac{b x}{a}\right )^{-n} (c+d x)^n \left (1+\frac{d x}{c}\right )^{-n}\right ) \int x^m \left (1+\frac{b x}{a}\right )^{1+n} \left (1+\frac{d x}{c}\right )^n \, dx\\ &=\frac{a x^{1+m} (a+b x)^n \left (1+\frac{b x}{a}\right )^{-n} (c+d x)^n \left (1+\frac{d x}{c}\right )^{-n} F_1\left (1+m;-1-n,-n;2+m;-\frac{b x}{a},-\frac{d x}{c}\right )}{1+m}\\ \end{align*}
Mathematica [A] time = 0.177015, size = 120, normalized size = 1.52 \[ \frac{x^{m+1} (a+b x)^n \left (\frac{b x}{a}+1\right )^{-n} (c+d x)^n \left (\frac{d x}{c}+1\right )^{-n} \left (a (m+2) F_1\left (m+1;-n,-n;m+2;-\frac{b x}{a},-\frac{d x}{c}\right )+b (m+1) x F_1\left (m+2;-n,-n;m+3;-\frac{b x}{a},-\frac{d x}{c}\right )\right )}{(m+1) (m+2)} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.139, size = 0, normalized size = 0. \begin{align*} \int{x}^{m} \left ( bx+a \right ) ^{1+n} \left ( dx+c \right ) ^{n}\, 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 (b x + a\right )}^{n + 1}{\left (d x + c\right )}^{n} x^{m}\,{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 (b x + a\right )}^{n + 1}{\left (d x + c\right )}^{n} x^{m}, 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 (b x + a\right )}^{n + 1}{\left (d x + c\right )}^{n} x^{m}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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