Optimal. Leaf size=116 \[ \frac{(4 m+3) x^{m+1} \sqrt{c-\frac{c}{a x}} \text{Hypergeometric2F1}\left (\frac{1}{2},m+\frac{1}{2},m+\frac{3}{2},-a x\right )}{(m+1) (2 m+1) \sqrt{1-a x}}-\frac{\sqrt{1-a^2 x^2} x^{m+1} \sqrt{c-\frac{c}{a x}}}{(m+1) (1-a x)} \]
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Rubi [A] time = 0.293454, antiderivative size = 116, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.185, Rules used = {6134, 6128, 881, 848, 64} \[ \frac{(4 m+3) x^{m+1} \sqrt{c-\frac{c}{a x}} \, _2F_1\left (\frac{1}{2},m+\frac{1}{2};m+\frac{3}{2};-a x\right )}{(m+1) (2 m+1) \sqrt{1-a x}}-\frac{\sqrt{1-a^2 x^2} x^{m+1} \sqrt{c-\frac{c}{a x}}}{(m+1) (1-a x)} \]
Antiderivative was successfully verified.
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Rule 6134
Rule 6128
Rule 881
Rule 848
Rule 64
Rubi steps
\begin{align*} \int e^{-\tanh ^{-1}(a x)} \sqrt{c-\frac{c}{a x}} x^m \, dx &=\frac{\left (\sqrt{c-\frac{c}{a x}} \sqrt{x}\right ) \int e^{-\tanh ^{-1}(a x)} x^{-\frac{1}{2}+m} \sqrt{1-a x} \, dx}{\sqrt{1-a x}}\\ &=\frac{\left (\sqrt{c-\frac{c}{a x}} \sqrt{x}\right ) \int \frac{x^{-\frac{1}{2}+m} (1-a x)^{3/2}}{\sqrt{1-a^2 x^2}} \, dx}{\sqrt{1-a x}}\\ &=-\frac{\sqrt{c-\frac{c}{a x}} x^{1+m} \sqrt{1-a^2 x^2}}{(1+m) (1-a x)}+\frac{\left ((3+4 m) \sqrt{c-\frac{c}{a x}} \sqrt{x}\right ) \int \frac{x^{-\frac{1}{2}+m} \sqrt{1-a x}}{\sqrt{1-a^2 x^2}} \, dx}{2 (1+m) \sqrt{1-a x}}\\ &=-\frac{\sqrt{c-\frac{c}{a x}} x^{1+m} \sqrt{1-a^2 x^2}}{(1+m) (1-a x)}+\frac{\left ((3+4 m) \sqrt{c-\frac{c}{a x}} \sqrt{x}\right ) \int \frac{x^{-\frac{1}{2}+m}}{\sqrt{1+a x}} \, dx}{2 (1+m) \sqrt{1-a x}}\\ &=-\frac{\sqrt{c-\frac{c}{a x}} x^{1+m} \sqrt{1-a^2 x^2}}{(1+m) (1-a x)}+\frac{(3+4 m) \sqrt{c-\frac{c}{a x}} x^{1+m} \, _2F_1\left (\frac{1}{2},\frac{1}{2}+m;\frac{3}{2}+m;-a x\right )}{(1+m) (1+2 m) \sqrt{1-a x}}\\ \end{align*}
Mathematica [A] time = 0.0561967, size = 87, normalized size = 0.75 \[ -\frac{2 x^{m+1} \sqrt{c-\frac{c}{a x}} \left (a (4 m+3) x \text{Hypergeometric2F1}\left (\frac{1}{2},m+\frac{3}{2},m+\frac{5}{2},-a x\right )-(2 m+3) \sqrt{a x+1}\right )}{\left (4 m^2+8 m+3\right ) \sqrt{1-a x}} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 0.381, size = 0, normalized size = 0. \begin{align*} \int{\frac{{x}^{m}}{ax+1}\sqrt{c-{\frac{c}{ax}}}\sqrt{-{a}^{2}{x}^{2}+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 \frac{\sqrt{-a^{2} x^{2} + 1} \sqrt{c - \frac{c}{a x}} x^{m}}{a x + 1}\,{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} x^{2} + 1} x^{m} \sqrt{\frac{a c x - c}{a x}}}{a x + 1}, 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{x^{m} \sqrt{- c \left (-1 + \frac{1}{a x}\right )} \sqrt{- \left (a x - 1\right ) \left (a x + 1\right )}}{a x + 1}\, 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} x^{2} + 1} \sqrt{c - \frac{c}{a x}} x^{m}}{a x + 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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