Optimal. Leaf size=142 \[ \frac{2 c \, _2F_1\left (1,-\frac{1}{n};-\frac{1-n}{n};-\frac{2 c x^n}{b-\sqrt{b^2-4 a c}}\right )}{x \left (-b \sqrt{b^2-4 a c}-4 a c+b^2\right )}+\frac{2 c \, _2F_1\left (1,-\frac{1}{n};-\frac{1-n}{n};-\frac{2 c x^n}{b+\sqrt{b^2-4 a c}}\right )}{x \left (b \sqrt{b^2-4 a c}-4 a c+b^2\right )} \]
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Rubi [A] time = 0.0462026, antiderivative size = 142, 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 = {1383, 364} \[ \frac{2 c \, _2F_1\left (1,-\frac{1}{n};-\frac{1-n}{n};-\frac{2 c x^n}{b-\sqrt{b^2-4 a c}}\right )}{x \left (-b \sqrt{b^2-4 a c}-4 a c+b^2\right )}+\frac{2 c \, _2F_1\left (1,-\frac{1}{n};-\frac{1-n}{n};-\frac{2 c x^n}{b+\sqrt{b^2-4 a c}}\right )}{x \left (b \sqrt{b^2-4 a c}-4 a c+b^2\right )} \]
Antiderivative was successfully verified.
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Rule 1383
Rule 364
Rubi steps
\begin{align*} \int \frac{1}{x^2 \left (a+b x^n+c x^{2 n}\right )} \, dx &=\frac{(2 c) \int \frac{1}{x^2 \left (b-\sqrt{b^2-4 a c}+2 c x^n\right )} \, dx}{\sqrt{b^2-4 a c}}-\frac{(2 c) \int \frac{1}{x^2 \left (b+\sqrt{b^2-4 a c}+2 c x^n\right )} \, dx}{\sqrt{b^2-4 a c}}\\ &=\frac{2 c \, _2F_1\left (1,-\frac{1}{n};-\frac{1-n}{n};-\frac{2 c x^n}{b-\sqrt{b^2-4 a c}}\right )}{\left (b^2-4 a c-b \sqrt{b^2-4 a c}\right ) x}+\frac{2 c \, _2F_1\left (1,-\frac{1}{n};-\frac{1-n}{n};-\frac{2 c x^n}{b+\sqrt{b^2-4 a c}}\right )}{\left (b^2-4 a c+b \sqrt{b^2-4 a c}\right ) x}\\ \end{align*}
Mathematica [A] time = 0.122172, size = 129, normalized size = 0.91 \[ -\frac{\left (\sqrt{b^2-4 a c}+b\right ) \, _2F_1\left (1,-\frac{1}{n};\frac{n-1}{n};\frac{2 c x^n}{\sqrt{b^2-4 a c}-b}\right )+\left (\sqrt{b^2-4 a c}-b\right ) \, _2F_1\left (1,-\frac{1}{n};\frac{n-1}{n};-\frac{2 c x^n}{b+\sqrt{b^2-4 a c}}\right )}{2 a x \sqrt{b^2-4 a c}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.028, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{2} \left ( a+b{x}^{n}+c{x}^{2\,n} \right ) }}\, 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 \frac{1}{{\left (c x^{2 \, n} + b x^{n} + a\right )} x^{2}}\,{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 (\frac{1}{c x^{2} x^{2 \, n} + b x^{2} x^{n} + a x^{2}}, 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 \frac{1}{{\left (c x^{2 \, n} + b x^{n} + a\right )} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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