Optimal. Leaf size=269 \[ \frac{2^{\frac{n+1}{2}} n \sqrt{c-a^2 c x^2} (1-a x)^{\frac{3-n}{2}} \text{Hypergeometric2F1}\left (\frac{1-n}{2},\frac{3-n}{2},\frac{5-n}{2},\frac{1}{2} (1-a x)\right )}{\left (n^2-4 n+3\right ) \sqrt{1-a^2 x^2}}+\frac{2 \sqrt{c-a^2 c x^2} (a x+1)^{\frac{n-1}{2}} (1-a x)^{\frac{1-n}{2}} \text{Hypergeometric2F1}\left (1,\frac{n-1}{2},\frac{n+1}{2},\frac{a x+1}{1-a x}\right )}{(1-n) \sqrt{1-a^2 x^2}}-\frac{\sqrt{c-a^2 c x^2} (a x+1)^{\frac{n-1}{2}} (1-a x)^{\frac{3-n}{2}}}{(1-n) \sqrt{1-a^2 x^2}} \]
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Rubi [A] time = 0.293015, antiderivative size = 299, normalized size of antiderivative = 1.11, number of steps used = 7, number of rules used = 5, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.185, Rules used = {6153, 6150, 105, 69, 131} \[ \frac{2 \sqrt{c-a^2 c x^2} (a x+1)^{\frac{n+1}{2}} (1-a x)^{\frac{1}{2} (-n-1)} \, _2F_1\left (1,\frac{1}{2} (-n-1);\frac{1-n}{2};\frac{1-a x}{a x+1}\right )}{(n+1) \sqrt{1-a^2 x^2}}-\frac{2^{\frac{n+3}{2}} \sqrt{c-a^2 c x^2} (1-a x)^{\frac{1}{2} (-n-1)} \, _2F_1\left (\frac{1}{2} (-n-1),\frac{1}{2} (-n-1);\frac{1-n}{2};\frac{1}{2} (1-a x)\right )}{(n+1) \sqrt{1-a^2 x^2}}+\frac{2^{\frac{n+3}{2}} \sqrt{c-a^2 c x^2} (1-a x)^{\frac{1-n}{2}} \, _2F_1\left (\frac{1}{2} (-n-1),\frac{1-n}{2};\frac{3-n}{2};\frac{1}{2} (1-a x)\right )}{(1-n) \sqrt{1-a^2 x^2}} \]
Warning: Unable to verify antiderivative.
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Rule 6153
Rule 6150
Rule 105
Rule 69
Rule 131
Rubi steps
\begin{align*} \int \frac{e^{n \tanh ^{-1}(a x)} \sqrt{c-a^2 c x^2}}{x} \, dx &=\frac{\sqrt{c-a^2 c x^2} \int \frac{e^{n \tanh ^{-1}(a x)} \sqrt{1-a^2 x^2}}{x} \, dx}{\sqrt{1-a^2 x^2}}\\ &=\frac{\sqrt{c-a^2 c x^2} \int \frac{(1-a x)^{\frac{1}{2}-\frac{n}{2}} (1+a x)^{\frac{1}{2}+\frac{n}{2}}}{x} \, dx}{\sqrt{1-a^2 x^2}}\\ &=\frac{\sqrt{c-a^2 c x^2} \int \frac{(1-a x)^{-\frac{1}{2}-\frac{n}{2}} (1+a x)^{\frac{1}{2}+\frac{n}{2}}}{x} \, dx}{\sqrt{1-a^2 x^2}}-\frac{\left (a \sqrt{c-a^2 c x^2}\right ) \int (1-a x)^{-\frac{1}{2}-\frac{n}{2}} (1+a x)^{\frac{1}{2}+\frac{n}{2}} \, dx}{\sqrt{1-a^2 x^2}}\\ &=\frac{2^{\frac{3+n}{2}} (1-a x)^{\frac{1-n}{2}} \sqrt{c-a^2 c x^2} \, _2F_1\left (\frac{1}{2} (-1-n),\frac{1-n}{2};\frac{3-n}{2};\frac{1}{2} (1-a x)\right )}{(1-n) \sqrt{1-a^2 x^2}}+\frac{\sqrt{c-a^2 c x^2} \int \frac{(1-a x)^{-\frac{3}{2}-\frac{n}{2}} (1+a x)^{\frac{1}{2}+\frac{n}{2}}}{x} \, dx}{\sqrt{1-a^2 x^2}}-\frac{\left (a \sqrt{c-a^2 c x^2}\right ) \int (1-a x)^{-\frac{3}{2}-\frac{n}{2}} (1+a x)^{\frac{1}{2}+\frac{n}{2}} \, dx}{\sqrt{1-a^2 x^2}}\\ &=\frac{2 (1-a x)^{\frac{1}{2} (-1-n)} (1+a x)^{\frac{1+n}{2}} \sqrt{c-a^2 c x^2} \, _2F_1\left (1,\frac{1}{2} (-1-n);\frac{1-n}{2};\frac{1-a x}{1+a x}\right )}{(1+n) \sqrt{1-a^2 x^2}}-\frac{2^{\frac{3+n}{2}} (1-a x)^{\frac{1}{2} (-1-n)} \sqrt{c-a^2 c x^2} \, _2F_1\left (\frac{1}{2} (-1-n),\frac{1}{2} (-1-n);\frac{1-n}{2};\frac{1}{2} (1-a x)\right )}{(1+n) \sqrt{1-a^2 x^2}}+\frac{2^{\frac{3+n}{2}} (1-a x)^{\frac{1-n}{2}} \sqrt{c-a^2 c x^2} \, _2F_1\left (\frac{1}{2} (-1-n),\frac{1-n}{2};\frac{3-n}{2};\frac{1}{2} (1-a x)\right )}{(1-n) \sqrt{1-a^2 x^2}}\\ \end{align*}
Mathematica [A] time = 0.156866, size = 207, normalized size = 0.77 \[ \frac{2 \sqrt{c-a^2 c x^2} (1-a x)^{\frac{1}{2} (-n-1)} \left ((n-1) (a x+1)^{\frac{n+1}{2}} \text{Hypergeometric2F1}\left (1,-\frac{n}{2}-\frac{1}{2},\frac{1}{2}-\frac{n}{2},\frac{1-a x}{a x+1}\right )+2^{\frac{n+1}{2}} \left ((n+1) (a x-1) \text{Hypergeometric2F1}\left (-\frac{n}{2}-\frac{1}{2},\frac{1}{2}-\frac{n}{2},\frac{3}{2}-\frac{n}{2},\frac{1}{2}-\frac{a x}{2}\right )-(n-1) \text{Hypergeometric2F1}\left (-\frac{n}{2}-\frac{1}{2},-\frac{n}{2}-\frac{1}{2},\frac{1}{2}-\frac{n}{2},\frac{1}{2}-\frac{a x}{2}\right )\right )\right )}{\left (n^2-1\right ) \sqrt{1-a^2 x^2}} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.201, size = 0, normalized size = 0. \begin{align*} \int{\frac{{{\rm e}^{n{\it Artanh} \left ( ax \right ) }}}{x}\sqrt{-{a}^{2}c{x}^{2}+c}}\, 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{\sqrt{-a^{2} c x^{2} + c} \left (\frac{a x + 1}{a x - 1}\right )^{\frac{1}{2} \, n}}{x}\,{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{\sqrt{-a^{2} c x^{2} + c} \left (\frac{a x + 1}{a x - 1}\right )^{\frac{1}{2} \, n}}{x}, 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{\sqrt{- c \left (a x - 1\right ) \left (a x + 1\right )} e^{n \operatorname{atanh}{\left (a x \right )}}}{x}\, 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{\sqrt{-a^{2} c x^{2} + c} \left (\frac{a x + 1}{a x - 1}\right )^{\frac{1}{2} \, n}}{x}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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