Optimal. Leaf size=46 \[ \frac{2 \sqrt{a x-1} \sqrt{a x+1} \sqrt{\cosh ^{-1}(a x)}}{a \sqrt{c-a^2 c x^2}} \]
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Rubi [A] time = 0.159642, antiderivative size = 46, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.083, Rules used = {5713, 5676} \[ \frac{2 \sqrt{a x-1} \sqrt{a x+1} \sqrt{\cosh ^{-1}(a x)}}{a \sqrt{c-a^2 c x^2}} \]
Antiderivative was successfully verified.
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Rule 5713
Rule 5676
Rubi steps
\begin{align*} \int \frac{1}{\sqrt{c-a^2 c x^2} \sqrt{\cosh ^{-1}(a x)}} \, dx &=\frac{\left (\sqrt{-1+a x} \sqrt{1+a x}\right ) \int \frac{1}{\sqrt{-1+a x} \sqrt{1+a x} \sqrt{\cosh ^{-1}(a x)}} \, dx}{\sqrt{c-a^2 c x^2}}\\ &=\frac{2 \sqrt{-1+a x} \sqrt{1+a x} \sqrt{\cosh ^{-1}(a x)}}{a \sqrt{c-a^2 c x^2}}\\ \end{align*}
Mathematica [A] time = 0.0370626, size = 46, normalized size = 1. \[ \frac{2 \sqrt{a x-1} \sqrt{a x+1} \sqrt{\cosh ^{-1}(a x)}}{a \sqrt{c-a^2 c x^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.046, size = 41, normalized size = 0.9 \begin{align*} 2\,{\frac{\sqrt{{\rm arccosh} \left (ax\right )}\sqrt{ax-1}\sqrt{ax+1}}{a\sqrt{- \left ( ax-1 \right ) \left ( ax+1 \right ) c}}} \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}{\sqrt{-a^{2} c x^{2} + c} \sqrt{\operatorname{arcosh}\left (a x\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: UnboundLocalError} \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{- c \left (a x - 1\right ) \left (a x + 1\right )} \sqrt{\operatorname{acosh}{\left (a x \right )}}}\, 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*} \mathit{sage}_{0} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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