Optimal. Leaf size=65 \[ -\frac{\left (a+b x^n\right ) \, _2F_1\left (3,-\frac{1}{n};-\frac{1-n}{n};-\frac{b x^n}{a}\right )}{a^3 x \sqrt{a^2+2 a b x^n+b^2 x^{2 n}}} \]
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Rubi [A] time = 0.0259398, antiderivative size = 65, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 28, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.071, Rules used = {1355, 364} \[ -\frac{\left (a+b x^n\right ) \, _2F_1\left (3,-\frac{1}{n};-\frac{1-n}{n};-\frac{b x^n}{a}\right )}{a^3 x \sqrt{a^2+2 a b x^n+b^2 x^{2 n}}} \]
Antiderivative was successfully verified.
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Rule 1355
Rule 364
Rubi steps
\begin{align*} \int \frac{1}{x^2 \left (a^2+2 a b x^n+b^2 x^{2 n}\right )^{3/2}} \, dx &=\frac{\left (b^2 \left (a b+b^2 x^n\right )\right ) \int \frac{1}{x^2 \left (a b+b^2 x^n\right )^3} \, dx}{\sqrt{a^2+2 a b x^n+b^2 x^{2 n}}}\\ &=-\frac{\left (a+b x^n\right ) \, _2F_1\left (3,-\frac{1}{n};-\frac{1-n}{n};-\frac{b x^n}{a}\right )}{a^3 x \sqrt{a^2+2 a b x^n+b^2 x^{2 n}}}\\ \end{align*}
Mathematica [A] time = 0.0153982, size = 53, normalized size = 0.82 \[ -\frac{\left (a+b x^n\right )^3 \, _2F_1\left (3,-\frac{1}{n};1-\frac{1}{n};-\frac{b x^n}{a}\right )}{a^3 x \left (\left (a+b x^n\right )^2\right )^{3/2}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.059, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{2}} \left ({a}^{2}+2\,ab{x}^{n}+{b}^{2}{x}^{2\,n} \right ) ^{-{\frac{3}{2}}}}\, 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*}{\left (2 \, n^{2} + 3 \, n + 1\right )} \int \frac{1}{2 \,{\left (a^{2} b n^{2} x^{2} x^{n} + a^{3} n^{2} x^{2}\right )}}\,{d x} + \frac{b{\left (2 \, n + 1\right )} x^{n} + a{\left (3 \, n + 1\right )}}{2 \,{\left (a^{2} b^{2} n^{2} x x^{2 \, n} + 2 \, a^{3} b n^{2} x x^{n} + a^{4} n^{2} x\right )}} \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 (\frac{\sqrt{b^{2} x^{2 \, n} + 2 \, a b x^{n} + a^{2}}}{b^{4} x^{2} x^{4 \, n} + 4 \, a^{2} b^{2} x^{2} x^{2 \, n} + 4 \, a^{3} b x^{2} x^{n} + a^{4} x^{2} + 2 \,{\left (2 \, a b^{3} x^{2} x^{n} + a^{2} b^{2} x^{2}\right )} x^{2 \, n}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{x^{2} \left (\left (a + b x^{n}\right )^{2}\right )^{\frac{3}{2}}}\, dx \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 \frac{1}{{\left (b^{2} x^{2 \, n} + 2 \, a b x^{n} + a^{2}\right )}^{\frac{3}{2}} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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