Optimal. Leaf size=239 \[ -\frac{2 a (a x+1)^{n/2} (1-a x)^{-n/2} \text{Hypergeometric2F1}\left (1,\frac{n}{2},\frac{n+2}{2},\frac{a x+1}{1-a x}\right )}{c^2}-\frac{a \left (-n^3-n^2+4 n+6\right ) (a x+1)^{\frac{n-2}{2}} (1-a x)^{1-\frac{n}{2}}}{c^2 n \left (4-n^2\right )}+\frac{a \left (n^2+4 n+6\right ) (a x+1)^{\frac{n-2}{2}} (1-a x)^{-n/2}}{c^2 n (n+2)}+\frac{a (n+3) (a x+1)^{\frac{n-2}{2}} (1-a x)^{-\frac{n}{2}-1}}{c^2 (n+2)}-\frac{(a x+1)^{\frac{n-2}{2}} (1-a x)^{-\frac{n}{2}-1}}{c^2 x} \]
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Rubi [A] time = 0.251409, antiderivative size = 253, normalized size of antiderivative = 1.06, number of steps used = 7, number of rules used = 5, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {6150, 129, 155, 12, 131} \[ -\frac{2 a n (a x+1)^{\frac{n-2}{2}} (1-a x)^{1-\frac{n}{2}} \, _2F_1\left (1,1-\frac{n}{2};2-\frac{n}{2};\frac{1-a x}{a x+1}\right )}{c^2 (2-n)}-\frac{a \left (-n^3-n^2+4 n+6\right ) (a x+1)^{\frac{n-2}{2}} (1-a x)^{1-\frac{n}{2}}}{c^2 n \left (4-n^2\right )}+\frac{a \left (n^2+4 n+6\right ) (a x+1)^{\frac{n-2}{2}} (1-a x)^{-n/2}}{c^2 n (n+2)}+\frac{a (n+3) (a x+1)^{\frac{n-2}{2}} (1-a x)^{-\frac{n}{2}-1}}{c^2 (n+2)}-\frac{(a x+1)^{\frac{n-2}{2}} (1-a x)^{-\frac{n}{2}-1}}{c^2 x} \]
Warning: Unable to verify antiderivative.
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Rule 6150
Rule 129
Rule 155
Rule 12
Rule 131
Rubi steps
\begin{align*} \int \frac{e^{n \tanh ^{-1}(a x)}}{x^2 \left (c-a^2 c x^2\right )^2} \, dx &=\frac{\int \frac{(1-a x)^{-2-\frac{n}{2}} (1+a x)^{-2+\frac{n}{2}}}{x^2} \, dx}{c^2}\\ &=-\frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 x}-\frac{\int \frac{(1-a x)^{-2-\frac{n}{2}} (1+a x)^{-2+\frac{n}{2}} \left (-a n-3 a^2 x\right )}{x} \, dx}{c^2}\\ &=\frac{a (3+n) (1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 (2+n)}-\frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 x}+\frac{\int \frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{-2+\frac{n}{2}} \left (a^2 n (2+n)+2 a^3 (3+n) x\right )}{x} \, dx}{a c^2 (2+n)}\\ &=\frac{a (3+n) (1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 (2+n)}-\frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 x}+\frac{a \left (6+4 n+n^2\right ) (1-a x)^{-n/2} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n (2+n)}-\frac{\int \frac{(1-a x)^{-n/2} (1+a x)^{-2+\frac{n}{2}} \left (-a^3 n^2 (2+n)-a^4 \left (6+4 n+n^2\right ) x\right )}{x} \, dx}{a^2 c^2 n (2+n)}\\ &=\frac{a (3+n) (1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 (2+n)}-\frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 x}-\frac{a \left (6+4 n-n^2-n^3\right ) (1-a x)^{1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n \left (4-n^2\right )}+\frac{a \left (6+4 n+n^2\right ) (1-a x)^{-n/2} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n (2+n)}+\frac{\int \frac{a^4 (2-n) n^2 (2+n) (1-a x)^{-n/2} (1+a x)^{-1+\frac{n}{2}}}{x} \, dx}{a^3 c^2 n \left (4-n^2\right )}\\ &=\frac{a (3+n) (1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 (2+n)}-\frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 x}-\frac{a \left (6+4 n-n^2-n^3\right ) (1-a x)^{1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n \left (4-n^2\right )}+\frac{a \left (6+4 n+n^2\right ) (1-a x)^{-n/2} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n (2+n)}+\frac{(a n) \int \frac{(1-a x)^{-n/2} (1+a x)^{-1+\frac{n}{2}}}{x} \, dx}{c^2}\\ &=\frac{a (3+n) (1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 (2+n)}-\frac{(1-a x)^{-1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 x}-\frac{a \left (6+4 n-n^2-n^3\right ) (1-a x)^{1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n \left (4-n^2\right )}+\frac{a \left (6+4 n+n^2\right ) (1-a x)^{-n/2} (1+a x)^{\frac{1}{2} (-2+n)}}{c^2 n (2+n)}-\frac{2 a n (1-a x)^{1-\frac{n}{2}} (1+a x)^{\frac{1}{2} (-2+n)} \, _2F_1\left (1,1-\frac{n}{2};2-\frac{n}{2};\frac{1-a x}{1+a x}\right )}{c^2 (2-n)}\\ \end{align*}
Mathematica [A] time = 0.0881545, size = 163, normalized size = 0.68 \[ -\frac{(1-a x)^{-\frac{n}{2}-1} (a x+1)^{\frac{n}{2}-1} \left (-2 a (n+2) n^2 x (a x-1)^2 \text{Hypergeometric2F1}\left (1,1-\frac{n}{2},2-\frac{n}{2},\frac{1-a x}{a x+1}\right )+a n^2 x \left (a^2 x^2-2\right )+n \left (-4 a^3 x^3+6 a^2 x^2+4 a x-4\right )-6 a^3 x^3+n^3 (a x-1)^2 (a x+1)+6 a x\right )}{c^2 (n-2) n (n+2) x} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.187, size = 0, normalized size = 0. \begin{align*} \int{\frac{{{\rm e}^{n{\it Artanh} \left ( ax \right ) }}}{{x}^{2} \left ( -{a}^{2}c{x}^{2}+c \right ) ^{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*} \int \frac{\left (\frac{a x + 1}{a x - 1}\right )^{\frac{1}{2} \, n}}{{\left (a^{2} c x^{2} - c\right )}^{2} 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{\left (\frac{a x + 1}{a x - 1}\right )^{\frac{1}{2} \, n}}{a^{4} c^{2} x^{6} - 2 \, a^{2} c^{2} x^{4} + c^{2} x^{2}}, 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*} \frac{\int \frac{e^{n \operatorname{atanh}{\left (a x \right )}}}{a^{4} x^{6} - 2 a^{2} x^{4} + x^{2}}\, dx}{c^{2}} \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{\left (\frac{a x + 1}{a x - 1}\right )^{\frac{1}{2} \, n}}{{\left (a^{2} c x^{2} - c\right )}^{2} x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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