Optimal. Leaf size=162 \[ \frac{x \left (6 a^2-b^2\right )}{2 b^4}-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{2 a^3 \left (3 a^2+4 b^2\right ) \tanh ^{-1}\left (\frac{b-a \tanh \left (\frac{x}{2}\right )}{\sqrt{a^2+b^2}}\right )}{b^4 \left (a^2+b^2\right )^{3/2}}-\frac{a^2 \sinh ^2(x) \cosh (x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}+\frac{\left (3 a^2+b^2\right ) \sinh (x) \cosh (x)}{2 b^2 \left (a^2+b^2\right )} \]
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Rubi [A] time = 0.405337, antiderivative size = 162, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.538, Rules used = {2792, 3049, 3023, 2735, 2660, 618, 206} \[ \frac{x \left (6 a^2-b^2\right )}{2 b^4}-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{2 a^3 \left (3 a^2+4 b^2\right ) \tanh ^{-1}\left (\frac{b-a \tanh \left (\frac{x}{2}\right )}{\sqrt{a^2+b^2}}\right )}{b^4 \left (a^2+b^2\right )^{3/2}}-\frac{a^2 \sinh ^2(x) \cosh (x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}+\frac{\left (3 a^2+b^2\right ) \sinh (x) \cosh (x)}{2 b^2 \left (a^2+b^2\right )} \]
Antiderivative was successfully verified.
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Rule 2792
Rule 3049
Rule 3023
Rule 2735
Rule 2660
Rule 618
Rule 206
Rubi steps
\begin{align*} \int \frac{\sinh ^4(x)}{(a+b \sinh (x))^2} \, dx &=-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}+\frac{\int \frac{\sinh (x) \left (2 a^2-a b \sinh (x)+\left (3 a^2+b^2\right ) \sinh ^2(x)\right )}{a+b \sinh (x)} \, dx}{b \left (a^2+b^2\right )}\\ &=\frac{\left (3 a^2+b^2\right ) \cosh (x) \sinh (x)}{2 b^2 \left (a^2+b^2\right )}-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}+\frac{\int \frac{-a \left (3 a^2+b^2\right )+b \left (a^2-b^2\right ) \sinh (x)-2 a \left (3 a^2+2 b^2\right ) \sinh ^2(x)}{a+b \sinh (x)} \, dx}{2 b^2 \left (a^2+b^2\right )}\\ &=-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{\left (3 a^2+b^2\right ) \cosh (x) \sinh (x)}{2 b^2 \left (a^2+b^2\right )}-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}+\frac{i \int \frac{i a b \left (3 a^2+b^2\right )-i \left (6 a^4+5 a^2 b^2-b^4\right ) \sinh (x)}{a+b \sinh (x)} \, dx}{2 b^3 \left (a^2+b^2\right )}\\ &=\frac{\left (6 a^2-b^2\right ) x}{2 b^4}-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{\left (3 a^2+b^2\right ) \cosh (x) \sinh (x)}{2 b^2 \left (a^2+b^2\right )}-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}-\frac{\left (a^3 \left (3 a^2+4 b^2\right )\right ) \int \frac{1}{a+b \sinh (x)} \, dx}{b^4 \left (a^2+b^2\right )}\\ &=\frac{\left (6 a^2-b^2\right ) x}{2 b^4}-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{\left (3 a^2+b^2\right ) \cosh (x) \sinh (x)}{2 b^2 \left (a^2+b^2\right )}-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}-\frac{\left (2 a^3 \left (3 a^2+4 b^2\right )\right ) \operatorname{Subst}\left (\int \frac{1}{a+2 b x-a x^2} \, dx,x,\tanh \left (\frac{x}{2}\right )\right )}{b^4 \left (a^2+b^2\right )}\\ &=\frac{\left (6 a^2-b^2\right ) x}{2 b^4}-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{\left (3 a^2+b^2\right ) \cosh (x) \sinh (x)}{2 b^2 \left (a^2+b^2\right )}-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}+\frac{\left (4 a^3 \left (3 a^2+4 b^2\right )\right ) \operatorname{Subst}\left (\int \frac{1}{4 \left (a^2+b^2\right )-x^2} \, dx,x,2 b-2 a \tanh \left (\frac{x}{2}\right )\right )}{b^4 \left (a^2+b^2\right )}\\ &=\frac{\left (6 a^2-b^2\right ) x}{2 b^4}+\frac{2 a^3 \left (3 a^2+4 b^2\right ) \tanh ^{-1}\left (\frac{b-a \tanh \left (\frac{x}{2}\right )}{\sqrt{a^2+b^2}}\right )}{b^4 \left (a^2+b^2\right )^{3/2}}-\frac{a \left (3 a^2+2 b^2\right ) \cosh (x)}{b^3 \left (a^2+b^2\right )}+\frac{\left (3 a^2+b^2\right ) \cosh (x) \sinh (x)}{2 b^2 \left (a^2+b^2\right )}-\frac{a^2 \cosh (x) \sinh ^2(x)}{b \left (a^2+b^2\right ) (a+b \sinh (x))}\\ \end{align*}
Mathematica [A] time = 0.407256, size = 118, normalized size = 0.73 \[ \frac{-2 x \left (b^2-6 a^2\right )+\frac{8 a^3 \left (3 a^2+4 b^2\right ) \tan ^{-1}\left (\frac{b-a \tanh \left (\frac{x}{2}\right )}{\sqrt{-a^2-b^2}}\right )}{\left (-a^2-b^2\right )^{3/2}}-\frac{4 a^4 b \cosh (x)}{\left (a^2+b^2\right ) (a+b \sinh (x))}-8 a b \cosh (x)+b^2 \sinh (2 x)}{4 b^4} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.048, size = 296, normalized size = 1.8 \begin{align*} -{\frac{1}{2\,{b}^{2}} \left ( \tanh \left ({\frac{x}{2}} \right ) +1 \right ) ^{-2}}+{\frac{1}{2\,{b}^{2}} \left ( \tanh \left ({\frac{x}{2}} \right ) +1 \right ) ^{-1}}-2\,{\frac{a}{{b}^{3} \left ( \tanh \left ( x/2 \right ) +1 \right ) }}+3\,{\frac{\ln \left ( \tanh \left ( x/2 \right ) +1 \right ){a}^{2}}{{b}^{4}}}-{\frac{1}{2\,{b}^{2}}\ln \left ( \tanh \left ({\frac{x}{2}} \right ) +1 \right ) }+{\frac{1}{2\,{b}^{2}} \left ( \tanh \left ({\frac{x}{2}} \right ) -1 \right ) ^{-2}}+{\frac{1}{2\,{b}^{2}} \left ( \tanh \left ({\frac{x}{2}} \right ) -1 \right ) ^{-1}}+2\,{\frac{a}{{b}^{3} \left ( \tanh \left ( x/2 \right ) -1 \right ) }}-3\,{\frac{\ln \left ( \tanh \left ( x/2 \right ) -1 \right ){a}^{2}}{{b}^{4}}}+{\frac{1}{2\,{b}^{2}}\ln \left ( \tanh \left ({\frac{x}{2}} \right ) -1 \right ) }+2\,{\frac{{a}^{3}\tanh \left ( x/2 \right ) }{{b}^{2} \left ( a \left ( \tanh \left ( x/2 \right ) \right ) ^{2}-2\,\tanh \left ( x/2 \right ) b-a \right ) \left ({a}^{2}+{b}^{2} \right ) }}+2\,{\frac{{a}^{4}}{{b}^{3} \left ( a \left ( \tanh \left ( x/2 \right ) \right ) ^{2}-2\,\tanh \left ( x/2 \right ) b-a \right ) \left ({a}^{2}+{b}^{2} \right ) }}-6\,{\frac{{a}^{5}}{{b}^{4} \left ({a}^{2}+{b}^{2} \right ) ^{3/2}}{\it Artanh} \left ( 1/2\,{\frac{2\,a\tanh \left ( x/2 \right ) -2\,b}{\sqrt{{a}^{2}+{b}^{2}}}} \right ) }-8\,{\frac{{a}^{3}}{{b}^{2} \left ({a}^{2}+{b}^{2} \right ) ^{3/2}}{\it Artanh} \left ( 1/2\,{\frac{2\,a\tanh \left ( x/2 \right ) -2\,b}{\sqrt{{a}^{2}+{b}^{2}}}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.78534, size = 4020, normalized size = 24.81 \begin{align*} \text{result too large to display} \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 [A] time = 1.42231, size = 317, normalized size = 1.96 \begin{align*} -\frac{{\left (3 \, a^{5} + 4 \, a^{3} b^{2}\right )} \log \left (\frac{{\left | 2 \, b e^{x} + 2 \, a - 2 \, \sqrt{a^{2} + b^{2}} \right |}}{{\left | 2 \, b e^{x} + 2 \, a + 2 \, \sqrt{a^{2} + b^{2}} \right |}}\right )}{{\left (a^{2} b^{4} + b^{6}\right )} \sqrt{a^{2} + b^{2}}} + \frac{{\left (6 \, a^{2} - b^{2}\right )} x}{2 \, b^{4}} + \frac{b^{2} e^{\left (2 \, x\right )} - 8 \, a b e^{x}}{8 \, b^{4}} + \frac{{\left (a^{2} b^{3} + b^{5} + 8 \,{\left (2 \, a^{5} - a^{3} b^{2} - a b^{4}\right )} e^{\left (3 \, x\right )} -{\left (32 \, a^{4} b + 17 \, a^{2} b^{3} + b^{5}\right )} e^{\left (2 \, x\right )} + 6 \,{\left (a^{3} b^{2} + a b^{4}\right )} e^{x}\right )} e^{\left (-2 \, x\right )}}{8 \,{\left (a^{2} + b^{2}\right )}{\left (b e^{\left (2 \, x\right )} + 2 \, a e^{x} - b\right )} b^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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