Optimal. Leaf size=46 \[ \frac{2 \sinh (a+b x) \cosh ^{\frac{3}{2}}(a+b x)}{5 b}-\frac{6 i E\left (\left .\frac{1}{2} i (a+b x)\right |2\right )}{5 b} \]
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Rubi [A] time = 0.0196099, antiderivative size = 46, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {2635, 2639} \[ \frac{2 \sinh (a+b x) \cosh ^{\frac{3}{2}}(a+b x)}{5 b}-\frac{6 i E\left (\left .\frac{1}{2} i (a+b x)\right |2\right )}{5 b} \]
Antiderivative was successfully verified.
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Rule 2635
Rule 2639
Rubi steps
\begin{align*} \int \cosh ^{\frac{5}{2}}(a+b x) \, dx &=\frac{2 \cosh ^{\frac{3}{2}}(a+b x) \sinh (a+b x)}{5 b}+\frac{3}{5} \int \sqrt{\cosh (a+b x)} \, dx\\ &=-\frac{6 i E\left (\left .\frac{1}{2} i (a+b x)\right |2\right )}{5 b}+\frac{2 \cosh ^{\frac{3}{2}}(a+b x) \sinh (a+b x)}{5 b}\\ \end{align*}
Mathematica [A] time = 0.050679, size = 44, normalized size = 0.96 \[ \frac{\sinh (2 (a+b x)) \sqrt{\cosh (a+b x)}-6 i E\left (\left .\frac{1}{2} i (a+b x)\right |2\right )}{5 b} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.037, size = 188, normalized size = 4.1 \begin{align*}{\frac{2}{5\,b}\sqrt{ \left ( 2\, \left ( \cosh \left ( 1/2\,bx+a/2 \right ) \right ) ^{2}-1 \right ) \left ( \sinh \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{2}} \left ( 8\, \left ( \cosh \left ( 1/2\,bx+a/2 \right ) \right ) ^{7}-16\, \left ( \cosh \left ( 1/2\,bx+a/2 \right ) \right ) ^{5}+10\, \left ( \cosh \left ( 1/2\,bx+a/2 \right ) \right ) ^{3}-3\,\sqrt{- \left ( \sinh \left ( 1/2\,bx+a/2 \right ) \right ) ^{2}}\sqrt{-2\, \left ( \cosh \left ( 1/2\,bx+a/2 \right ) \right ) ^{2}+1}{\it EllipticE} \left ( \cosh \left ( 1/2\,bx+a/2 \right ) ,\sqrt{2} \right ) -2\,\cosh \left ( 1/2\,bx+a/2 \right ) \right ){\frac{1}{\sqrt{2\, \left ( \sinh \left ( 1/2\,bx+a/2 \right ) \right ) ^{4}+ \left ( \sinh \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{2}}}} \left ( \sinh \left ({\frac{bx}{2}}+{\frac{a}{2}} \right ) \right ) ^{-1}{\frac{1}{\sqrt{2\, \left ( \cosh \left ( 1/2\,bx+a/2 \right ) \right ) ^{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 \cosh \left (b x + a\right )^{\frac{5}{2}}\,{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 (\cosh \left (b x + a\right )^{\frac{5}{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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 \cosh \left (b x + a\right )^{\frac{5}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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