Optimal. Leaf size=127 \[ \frac{x \left (c+d x^n\right )^{-\frac{1}{n}-1} (2 a d n+b c)}{c^2 d (n+1) (2 n+1)}+\frac{n x \left (c+d x^n\right )^{-1/n} (2 a d n+b c)}{c^3 d (n+1) (2 n+1)}-\frac{x (b c-a d) \left (c+d x^n\right )^{-\frac{1}{n}-2}}{c d (2 n+1)} \]
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Rubi [A] time = 0.063562, antiderivative size = 127, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.13, Rules used = {385, 192, 191} \[ \frac{x \left (c+d x^n\right )^{-\frac{1}{n}-1} (2 a d n+b c)}{c^2 d (n+1) (2 n+1)}+\frac{n x \left (c+d x^n\right )^{-1/n} (2 a d n+b c)}{c^3 d (n+1) (2 n+1)}-\frac{x (b c-a d) \left (c+d x^n\right )^{-\frac{1}{n}-2}}{c d (2 n+1)} \]
Antiderivative was successfully verified.
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Rule 385
Rule 192
Rule 191
Rubi steps
\begin{align*} \int \left (a+b x^n\right ) \left (c+d x^n\right )^{-3-\frac{1}{n}} \, dx &=-\frac{(b c-a d) x \left (c+d x^n\right )^{-2-\frac{1}{n}}}{c d (1+2 n)}+\frac{(b c+2 a d n) \int \left (c+d x^n\right )^{-2-\frac{1}{n}} \, dx}{c d (1+2 n)}\\ &=-\frac{(b c-a d) x \left (c+d x^n\right )^{-2-\frac{1}{n}}}{c d (1+2 n)}+\frac{(b c+2 a d n) x \left (c+d x^n\right )^{-1-\frac{1}{n}}}{c^2 d (1+n) (1+2 n)}+\frac{(n (b c+2 a d n)) \int \left (c+d x^n\right )^{-1-\frac{1}{n}} \, dx}{c^2 d (1+n) (1+2 n)}\\ &=-\frac{(b c-a d) x \left (c+d x^n\right )^{-2-\frac{1}{n}}}{c d (1+2 n)}+\frac{(b c+2 a d n) x \left (c+d x^n\right )^{-1-\frac{1}{n}}}{c^2 d (1+n) (1+2 n)}+\frac{n (b c+2 a d n) x \left (c+d x^n\right )^{-1/n}}{c^3 d (1+n) (1+2 n)}\\ \end{align*}
Mathematica [C] time = 0.0969818, size = 96, normalized size = 0.76 \[ \frac{x \left (c+d x^n\right )^{-1/n} \left (\frac{d x^n}{c}+1\right )^{\frac{1}{n}} \left (a (n+1) \, _2F_1\left (3+\frac{1}{n},\frac{1}{n};1+\frac{1}{n};-\frac{d x^n}{c}\right )+b x^n \, _2F_1\left (1+\frac{1}{n},3+\frac{1}{n};2+\frac{1}{n};-\frac{d x^n}{c}\right )\right )}{c^3 (n+1)} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.449, size = 0, normalized size = 0. \begin{align*} \int \left ( a+b{x}^{n} \right ) \left ( c+d{x}^{n} \right ) ^{-3-{n}^{-1}}\, 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^{n} + a\right )}{\left (d x^{n} + c\right )}^{-\frac{1}{n} - 3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.61052, size = 360, normalized size = 2.83 \begin{align*} \frac{{\left (2 \, a d^{3} n^{2} + b c d^{2} n\right )} x x^{3 \, n} +{\left (6 \, a c d^{2} n^{2} + b c^{2} d +{\left (3 \, b c^{2} d + 2 \, a c d^{2}\right )} n\right )} x x^{2 \, n} +{\left (6 \, a c^{2} d n^{2} + b c^{3} + a c^{2} d +{\left (2 \, b c^{3} + 5 \, a c^{2} d\right )} n\right )} x x^{n} +{\left (2 \, a c^{3} n^{2} + 3 \, a c^{3} n + a c^{3}\right )} x}{{\left (2 \, c^{3} n^{2} + 3 \, c^{3} n + c^{3}\right )}{\left (d x^{n} + c\right )}^{\frac{3 \, n + 1}{n}}} \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(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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