Optimal. Leaf size=66 \[ -\frac {a}{\left (a^2-b^2\right ) (a \cosh (x)+b \sinh (x))}-\frac {b \tan ^{-1}\left (\frac {a \sinh (x)+b \cosh (x)}{\sqrt {a^2-b^2}}\right )}{\left (a^2-b^2\right )^{3/2}} \]
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Rubi [A] time = 0.06, antiderivative size = 66, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.214, Rules used = {3154, 3074, 206} \[ -\frac {a}{\left (a^2-b^2\right ) (a \cosh (x)+b \sinh (x))}-\frac {b \tan ^{-1}\left (\frac {a \sinh (x)+b \cosh (x)}{\sqrt {a^2-b^2}}\right )}{\left (a^2-b^2\right )^{3/2}} \]
Antiderivative was successfully verified.
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Rule 206
Rule 3074
Rule 3154
Rubi steps
\begin {align*} \int \frac {\sinh (x)}{(a \cosh (x)+b \sinh (x))^2} \, dx &=-\frac {a}{\left (a^2-b^2\right ) (a \cosh (x)+b \sinh (x))}-\frac {b \int \frac {1}{a \cosh (x)+b \sinh (x)} \, dx}{a^2-b^2}\\ &=-\frac {a}{\left (a^2-b^2\right ) (a \cosh (x)+b \sinh (x))}-\frac {(i b) \operatorname {Subst}\left (\int \frac {1}{a^2-b^2-x^2} \, dx,x,-i b \cosh (x)-i a \sinh (x)\right )}{a^2-b^2}\\ &=-\frac {b \tan ^{-1}\left (\frac {b \cosh (x)+a \sinh (x)}{\sqrt {a^2-b^2}}\right )}{\left (a^2-b^2\right )^{3/2}}-\frac {a}{\left (a^2-b^2\right ) (a \cosh (x)+b \sinh (x))}\\ \end {align*}
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Mathematica [A] time = 0.19, size = 125, normalized size = 1.89 \[ -\frac {2 b^2 \sqrt {a+b} \sinh (x) \tan ^{-1}\left (\frac {a \tanh \left (\frac {x}{2}\right )+b}{\sqrt {a-b} \sqrt {a+b}}\right )+2 a b \sqrt {a+b} \cosh (x) \tan ^{-1}\left (\frac {a \tanh \left (\frac {x}{2}\right )+b}{\sqrt {a-b} \sqrt {a+b}}\right )+a \sqrt {a-b} (a+b)}{(a-b)^{3/2} (a+b)^2 (a \cosh (x)+b \sinh (x))} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.45, size = 594, normalized size = 9.00 \[ \left [\frac {{\left ({\left (a b + b^{2}\right )} \cosh \relax (x)^{2} + 2 \, {\left (a b + b^{2}\right )} \cosh \relax (x) \sinh \relax (x) + {\left (a b + b^{2}\right )} \sinh \relax (x)^{2} + a b - b^{2}\right )} \sqrt {-a^{2} + b^{2}} \log \left (\frac {{\left (a + b\right )} \cosh \relax (x)^{2} + 2 \, {\left (a + b\right )} \cosh \relax (x) \sinh \relax (x) + {\left (a + b\right )} \sinh \relax (x)^{2} - 2 \, \sqrt {-a^{2} + b^{2}} {\left (\cosh \relax (x) + \sinh \relax (x)\right )} - a + b}{{\left (a + b\right )} \cosh \relax (x)^{2} + 2 \, {\left (a + b\right )} \cosh \relax (x) \sinh \relax (x) + {\left (a + b\right )} \sinh \relax (x)^{2} + a - b}\right ) - 2 \, {\left (a^{3} - a b^{2}\right )} \cosh \relax (x) - 2 \, {\left (a^{3} - a b^{2}\right )} \sinh \relax (x)}{a^{5} - a^{4} b - 2 \, a^{3} b^{2} + 2 \, a^{2} b^{3} + a b^{4} - b^{5} + {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} \cosh \relax (x)^{2} + 2 \, {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} \cosh \relax (x) \sinh \relax (x) + {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} \sinh \relax (x)^{2}}, \frac {2 \, {\left ({\left ({\left (a b + b^{2}\right )} \cosh \relax (x)^{2} + 2 \, {\left (a b + b^{2}\right )} \cosh \relax (x) \sinh \relax (x) + {\left (a b + b^{2}\right )} \sinh \relax (x)^{2} + a b - b^{2}\right )} \sqrt {a^{2} - b^{2}} \arctan \left (\frac {\sqrt {a^{2} - b^{2}}}{{\left (a + b\right )} \cosh \relax (x) + {\left (a + b\right )} \sinh \relax (x)}\right ) - {\left (a^{3} - a b^{2}\right )} \cosh \relax (x) - {\left (a^{3} - a b^{2}\right )} \sinh \relax (x)\right )}}{a^{5} - a^{4} b - 2 \, a^{3} b^{2} + 2 \, a^{2} b^{3} + a b^{4} - b^{5} + {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} \cosh \relax (x)^{2} + 2 \, {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} \cosh \relax (x) \sinh \relax (x) + {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} \sinh \relax (x)^{2}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.13, size = 72, normalized size = 1.09 \[ -\frac {2 \, b \arctan \left (\frac {a e^{x} + b e^{x}}{\sqrt {a^{2} - b^{2}}}\right )}{{\left (a^{2} - b^{2}\right )}^{\frac {3}{2}}} - \frac {2 \, a e^{x}}{{\left (a^{2} - b^{2}\right )} {\left (a e^{\left (2 \, x\right )} + b e^{\left (2 \, x\right )} + a - b\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.26, size = 99, normalized size = 1.50 \[ \frac {-8 \tanh \left (\frac {x}{2}\right ) b -8 a}{\left (4 a^{2}-4 b^{2}\right ) \left (a +2 \tanh \left (\frac {x}{2}\right ) b +a \left (\tanh ^{2}\left (\frac {x}{2}\right )\right )\right )}-\frac {8 b \arctan \left (\frac {2 a \tanh \left (\frac {x}{2}\right )+2 b}{2 \sqrt {a^{2}-b^{2}}}\right )}{\left (4 a^{2}-4 b^{2}\right ) \sqrt {a^{2}-b^{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.65, size = 183, normalized size = 2.77 \[ -\frac {2\,\mathrm {atan}\left (\frac {{\mathrm {e}}^x\,\left (b^2\,\sqrt {a^6-3\,a^4\,b^2+3\,a^2\,b^4-b^6}+a\,b\,\sqrt {a^6-3\,a^4\,b^2+3\,a^2\,b^4-b^6}\right )}{a^4\,\sqrt {b^2}-2\,a^2\,{\left (b^2\right )}^{3/2}+b^4\,\sqrt {b^2}+a\,b\,{\left (b^2\right )}^{3/2}-a\,b^3\,\sqrt {b^2}}\right )\,\sqrt {b^2}}{\sqrt {a^6-3\,a^4\,b^2+3\,a^2\,b^4-b^6}}-\frac {2\,a\,{\mathrm {e}}^x}{\left (a+b\right )\,\left (a-b\right )\,\left (a-b+{\mathrm {e}}^{2\,x}\,\left (a+b\right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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