Optimal. Leaf size=68 \[ \frac{8 a^2 (5 A+3 B) \sinh (x)}{15 \sqrt{a \cosh (x)+a}}+\frac{2}{15} a (5 A+3 B) \sinh (x) \sqrt{a \cosh (x)+a}+\frac{2}{5} B \sinh (x) (a \cosh (x)+a)^{3/2} \]
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Rubi [A] time = 0.0738993, antiderivative size = 68, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.176, Rules used = {2751, 2647, 2646} \[ \frac{8 a^2 (5 A+3 B) \sinh (x)}{15 \sqrt{a \cosh (x)+a}}+\frac{2}{15} a (5 A+3 B) \sinh (x) \sqrt{a \cosh (x)+a}+\frac{2}{5} B \sinh (x) (a \cosh (x)+a)^{3/2} \]
Antiderivative was successfully verified.
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Rule 2751
Rule 2647
Rule 2646
Rubi steps
\begin{align*} \int (a+a \cosh (x))^{3/2} (A+B \cosh (x)) \, dx &=\frac{2}{5} B (a+a \cosh (x))^{3/2} \sinh (x)+\frac{1}{5} (5 A+3 B) \int (a+a \cosh (x))^{3/2} \, dx\\ &=\frac{2}{15} a (5 A+3 B) \sqrt{a+a \cosh (x)} \sinh (x)+\frac{2}{5} B (a+a \cosh (x))^{3/2} \sinh (x)+\frac{1}{15} (4 a (5 A+3 B)) \int \sqrt{a+a \cosh (x)} \, dx\\ &=\frac{8 a^2 (5 A+3 B) \sinh (x)}{15 \sqrt{a+a \cosh (x)}}+\frac{2}{15} a (5 A+3 B) \sqrt{a+a \cosh (x)} \sinh (x)+\frac{2}{5} B (a+a \cosh (x))^{3/2} \sinh (x)\\ \end{align*}
Mathematica [A] time = 0.0872422, size = 46, normalized size = 0.68 \[ \frac{1}{15} a \tanh \left (\frac{x}{2}\right ) \sqrt{a (\cosh (x)+1)} (2 (5 A+9 B) \cosh (x)+50 A+3 B \cosh (2 x)+39 B) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.04, size = 57, normalized size = 0.8 \begin{align*}{\frac{4\,{a}^{2}\sqrt{2}}{15}\cosh \left ({\frac{x}{2}} \right ) \sinh \left ({\frac{x}{2}} \right ) \left ( 6\,B \left ( \sinh \left ( x/2 \right ) \right ) ^{4}+ \left ( 5\,A+15\,B \right ) \left ( \sinh \left ({\frac{x}{2}} \right ) \right ) ^{2}+15\,A+15\,B \right ){\frac{1}{\sqrt{a \left ( \cosh \left ({\frac{x}{2}} \right ) \right ) ^{2}}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.61723, size = 220, normalized size = 3.24 \begin{align*} \frac{1}{6} \,{\left (\sqrt{2} a^{\frac{3}{2}} e^{\left (\frac{3}{2} \, x\right )} + 9 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (\frac{1}{2} \, x\right )} - 9 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-\frac{1}{2} \, x\right )} - \sqrt{2} a^{\frac{3}{2}} e^{\left (-\frac{3}{2} \, x\right )}\right )} A + \frac{1}{20} \,{\left ({\left (\sqrt{2} a^{\frac{3}{2}} e^{\left (-x\right )} + 5 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-2 \, x\right )} + 15 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-3 \, x\right )} - 5 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-4 \, x\right )}\right )} e^{\left (\frac{7}{2} \, x\right )} +{\left (5 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-x\right )} - 15 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-2 \, x\right )} - 5 \, \sqrt{2} a^{\frac{3}{2}} e^{\left (-3 \, x\right )} - \sqrt{2} a^{\frac{3}{2}} e^{\left (-4 \, x\right )}\right )} e^{\left (\frac{3}{2} \, x\right )}\right )} B \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.17396, size = 805, normalized size = 11.84 \begin{align*} \frac{\sqrt{\frac{1}{2}}{\left (3 \, B a \cosh \left (x\right )^{5} + 3 \, B a \sinh \left (x\right )^{5} + 5 \,{\left (2 \, A + 3 \, B\right )} a \cosh \left (x\right )^{4} + 30 \,{\left (3 \, A + 2 \, B\right )} a \cosh \left (x\right )^{3} + 5 \,{\left (3 \, B a \cosh \left (x\right ) +{\left (2 \, A + 3 \, B\right )} a\right )} \sinh \left (x\right )^{4} - 30 \,{\left (3 \, A + 2 \, B\right )} a \cosh \left (x\right )^{2} + 10 \,{\left (3 \, B a \cosh \left (x\right )^{2} + 2 \,{\left (2 \, A + 3 \, B\right )} a \cosh \left (x\right ) + 3 \,{\left (3 \, A + 2 \, B\right )} a\right )} \sinh \left (x\right )^{3} - 5 \,{\left (2 \, A + 3 \, B\right )} a \cosh \left (x\right ) + 30 \,{\left (B a \cosh \left (x\right )^{3} +{\left (2 \, A + 3 \, B\right )} a \cosh \left (x\right )^{2} + 3 \,{\left (3 \, A + 2 \, B\right )} a \cosh \left (x\right ) -{\left (3 \, A + 2 \, B\right )} a\right )} \sinh \left (x\right )^{2} - 3 \, B a + 5 \,{\left (3 \, B a \cosh \left (x\right )^{4} + 4 \,{\left (2 \, A + 3 \, B\right )} a \cosh \left (x\right )^{3} + 18 \,{\left (3 \, A + 2 \, B\right )} a \cosh \left (x\right )^{2} - 12 \,{\left (3 \, A + 2 \, B\right )} a \cosh \left (x\right ) -{\left (2 \, A + 3 \, B\right )} a\right )} \sinh \left (x\right )\right )} \sqrt{\frac{a}{\cosh \left (x\right ) + \sinh \left (x\right )}}}{30 \,{\left (\cosh \left (x\right )^{2} + 2 \, \cosh \left (x\right ) \sinh \left (x\right ) + \sinh \left (x\right )^{2}\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 [B] time = 1.15364, size = 153, normalized size = 2.25 \begin{align*} -\frac{1}{60} \, \sqrt{2}{\left (\frac{{\left (90 \, A a^{4} e^{\left (2 \, x\right )} + 60 \, B a^{4} e^{\left (2 \, x\right )} + 10 \, A a^{4} e^{x} + 15 \, B a^{4} e^{x} + 3 \, B a^{4}\right )} e^{\left (-\frac{5}{2} \, x\right )}}{a^{\frac{5}{2}}} - \frac{3 \, B a^{\frac{13}{2}} e^{\left (\frac{5}{2} \, x\right )} + 10 \, A a^{\frac{13}{2}} e^{\left (\frac{3}{2} \, x\right )} + 15 \, B a^{\frac{13}{2}} e^{\left (\frac{3}{2} \, x\right )} + 90 \, A a^{\frac{13}{2}} e^{\left (\frac{1}{2} \, x\right )} + 60 \, B a^{\frac{13}{2}} e^{\left (\frac{1}{2} \, x\right )}}{a^{5}}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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