Integrand size = 21, antiderivative size = 84 \[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\frac {(b c-a d) (a+b x)^n \left (-\frac {d (a+b x)}{b c-a d}\right )^{-n} (c+d x)^{-n} \operatorname {Hypergeometric2F1}\left (-1-n,-n,1-n,\frac {b (c+d x)}{b c-a d}\right )}{d^2 n} \]
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Time = 0.02 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {72, 71} \[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\frac {(b c-a d) (a+b x)^n (c+d x)^{-n} \left (-\frac {d (a+b x)}{b c-a d}\right )^{-n} \operatorname {Hypergeometric2F1}\left (-n-1,-n,1-n,\frac {b (c+d x)}{b c-a d}\right )}{d^2 n} \]
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Rule 71
Rule 72
Rubi steps \begin{align*} \text {integral}& = \frac {\left ((-b c+a d) (a+b x)^n \left (\frac {d (a+b x)}{-b c+a d}\right )^{-n}\right ) \int (c+d x)^{-1-n} \left (-\frac {a d}{b c-a d}-\frac {b d x}{b c-a d}\right )^{1+n} \, dx}{d} \\ & = \frac {(b c-a d) (a+b x)^n \left (-\frac {d (a+b x)}{b c-a d}\right )^{-n} (c+d x)^{-n} \, _2F_1\left (-1-n,-n;1-n;\frac {b (c+d x)}{b c-a d}\right )}{d^2 n} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.99 \[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\frac {(b c-a d) (a+b x)^n \left (\frac {d (a+b x)}{-b c+a d}\right )^{-n} (c+d x)^{-n} \operatorname {Hypergeometric2F1}\left (-1-n,-n,1-n,\frac {b (c+d x)}{b c-a d}\right )}{d^2 n} \]
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\[\int \left (b x +a \right )^{1+n} \left (d x +c \right )^{-1-n}d x\]
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\[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\int { {\left (b x + a\right )}^{n + 1} {\left (d x + c\right )}^{-n - 1} \,d x } \]
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\[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\int \left (a + b x\right )^{n + 1} \left (c + d x\right )^{- n - 1}\, dx \]
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\[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\int { {\left (b x + a\right )}^{n + 1} {\left (d x + c\right )}^{-n - 1} \,d x } \]
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\[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\int { {\left (b x + a\right )}^{n + 1} {\left (d x + c\right )}^{-n - 1} \,d x } \]
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Timed out. \[ \int (a+b x)^{1+n} (c+d x)^{-1-n} \, dx=\int \frac {{\left (a+b\,x\right )}^{n+1}}{{\left (c+d\,x\right )}^{n+1}} \,d x \]
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