Optimal. Leaf size=42 \[ -\frac{i \sqrt{a+b \sinh ^2(x)} E\left (i x\left |\frac{b}{a}\right .\right )}{\sqrt{\frac{b \sinh ^2(x)}{a}+1}} \]
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Rubi [A] time = 0.0317896, antiderivative size = 42, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {3178, 3177} \[ -\frac{i \sqrt{a+b \sinh ^2(x)} E\left (i x\left |\frac{b}{a}\right .\right )}{\sqrt{\frac{b \sinh ^2(x)}{a}+1}} \]
Antiderivative was successfully verified.
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Rule 3178
Rule 3177
Rubi steps
\begin{align*} \int \sqrt{a+b \sinh ^2(x)} \, dx &=\frac{\sqrt{a+b \sinh ^2(x)} \int \sqrt{1+\frac{b \sinh ^2(x)}{a}} \, dx}{\sqrt{1+\frac{b \sinh ^2(x)}{a}}}\\ &=-\frac{i E\left (i x\left |\frac{b}{a}\right .\right ) \sqrt{a+b \sinh ^2(x)}}{\sqrt{1+\frac{b \sinh ^2(x)}{a}}}\\ \end{align*}
Mathematica [A] time = 0.0439838, size = 54, normalized size = 1.29 \[ -\frac{i a \sqrt{\frac{2 a+b \cosh (2 x)-b}{a}} E\left (i x\left |\frac{b}{a}\right .\right )}{\sqrt{2 a+b \cosh (2 x)-b}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.067, size = 109, normalized size = 2.6 \begin{align*}{\frac{1}{\cosh \left ( x \right ) }\sqrt{{\frac{a+b \left ( \sinh \left ( x \right ) \right ) ^{2}}{a}}}\sqrt{ \left ( \cosh \left ( x \right ) \right ) ^{2}} \left ( a{\it EllipticF} \left ( \sinh \left ( x \right ) \sqrt{-{\frac{b}{a}}},\sqrt{{\frac{a}{b}}} \right ) -b{\it EllipticF} \left ( \sinh \left ( x \right ) \sqrt{-{\frac{b}{a}}},\sqrt{{\frac{a}{b}}} \right ) +b{\it EllipticE} \left ( \sinh \left ( x \right ) \sqrt{-{\frac{b}{a}}},\sqrt{{\frac{a}{b}}} \right ) \right ){\frac{1}{\sqrt{-{\frac{b}{a}}}}}{\frac{1}{\sqrt{a+b \left ( \sinh \left ( x \right ) \right ) ^{2}}}}} \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 \sqrt{b \sinh \left (x\right )^{2} + a}\,{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 (\sqrt{b \sinh \left (x\right )^{2} + a}, 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 \sqrt{a + b \sinh ^{2}{\left (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*} \int \sqrt{b \sinh \left (x\right )^{2} + a}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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