Optimal. Leaf size=76 \[ -\frac{x \sqrt{c^2 x^2-1}}{2 \left (d-c^2 d x^2\right )^{3/2}}-\frac{\sqrt{c^2 x^2-1} \tanh ^{-1}(c x)}{2 c d \sqrt{d-c^2 d x^2}} \]
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Rubi [A] time = 0.0168311, antiderivative size = 91, normalized size of antiderivative = 1.2, number of steps used = 3, number of rules used = 3, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.103, Rules used = {23, 199, 208} \[ \frac{x \sqrt{d-c^2 d x^2}}{2 d^2 \left (1-c^2 x^2\right ) \sqrt{c^2 x^2-1}}+\frac{\sqrt{d-c^2 d x^2} \tanh ^{-1}(c x)}{2 c d^2 \sqrt{c^2 x^2-1}} \]
Antiderivative was successfully verified.
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Rule 23
Rule 199
Rule 208
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{-1+c^2 x^2} \left (d-c^2 d x^2\right )^{3/2}} \, dx &=\frac{\sqrt{d-c^2 d x^2} \int \frac{1}{\left (d-c^2 d x^2\right )^2} \, dx}{\sqrt{-1+c^2 x^2}}\\ &=\frac{x \sqrt{d-c^2 d x^2}}{2 d^2 \left (1-c^2 x^2\right ) \sqrt{-1+c^2 x^2}}+\frac{\sqrt{d-c^2 d x^2} \int \frac{1}{d-c^2 d x^2} \, dx}{2 d \sqrt{-1+c^2 x^2}}\\ &=\frac{x \sqrt{d-c^2 d x^2}}{2 d^2 \left (1-c^2 x^2\right ) \sqrt{-1+c^2 x^2}}+\frac{\sqrt{d-c^2 d x^2} \tanh ^{-1}(c x)}{2 c d^2 \sqrt{-1+c^2 x^2}}\\ \end{align*}
Mathematica [A] time = 0.0287236, size = 57, normalized size = 0.75 \[ \frac{\left (1-c^2 x^2\right ) \tanh ^{-1}(c x)+c x}{2 c d \sqrt{c^2 x^2-1} \sqrt{d-c^2 d x^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.014, size = 94, normalized size = 1.2 \begin{align*} -{\frac{\ln \left ( cx-1 \right ){x}^{2}{c}^{2}-\ln \left ( cx+1 \right ){x}^{2}{c}^{2}+2\,cx-\ln \left ( cx-1 \right ) +\ln \left ( cx+1 \right ) }{4\,{d}^{2}c \left ( cx-1 \right ) \left ( cx+1 \right ) }\sqrt{- \left ({c}^{2}{x}^{2}-1 \right ) d}{\frac{1}{\sqrt{{c}^{2}{x}^{2}-1}}}} \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^{2} d x^{2} + d\right )}^{\frac{3}{2}} \sqrt{c^{2} x^{2} - 1}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.03795, size = 664, normalized size = 8.74 \begin{align*} \left [-\frac{4 \, \sqrt{-c^{2} d x^{2} + d} \sqrt{c^{2} x^{2} - 1} c x +{\left (c^{4} x^{4} - 2 \, c^{2} x^{2} + 1\right )} \sqrt{-d} \log \left (-\frac{c^{6} d x^{6} + 5 \, c^{4} d x^{4} - 5 \, c^{2} d x^{2} + 4 \,{\left (c^{3} x^{3} + c x\right )} \sqrt{-c^{2} d x^{2} + d} \sqrt{c^{2} x^{2} - 1} \sqrt{-d} - d}{c^{6} x^{6} - 3 \, c^{4} x^{4} + 3 \, c^{2} x^{2} - 1}\right )}{8 \,{\left (c^{5} d^{2} x^{4} - 2 \, c^{3} d^{2} x^{2} + c d^{2}\right )}}, -\frac{2 \, \sqrt{-c^{2} d x^{2} + d} \sqrt{c^{2} x^{2} - 1} c x -{\left (c^{4} x^{4} - 2 \, c^{2} x^{2} + 1\right )} \sqrt{d} \arctan \left (\frac{2 \, \sqrt{-c^{2} d x^{2} + d} \sqrt{c^{2} x^{2} - 1} c \sqrt{d} x}{c^{4} d x^{4} - d}\right )}{4 \,{\left (c^{5} d^{2} x^{4} - 2 \, c^{3} d^{2} x^{2} + c d^{2}\right )}}\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}{\sqrt{\left (c x - 1\right ) \left (c x + 1\right )} \left (- d \left (c x - 1\right ) \left (c x + 1\right )\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 (-c^{2} d x^{2} + d\right )}^{\frac{3}{2}} \sqrt{c^{2} x^{2} - 1}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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