Optimal. Leaf size=60 \[ \frac {x}{16}-\frac {1}{8 (1-\tanh (x))}-\frac {3}{16 (\tanh (x)+1)}+\frac {1}{32 (1-\tanh (x))^2}+\frac {5}{32 (\tanh (x)+1)^2}-\frac {1}{24 (\tanh (x)+1)^3} \]
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Rubi [A] time = 0.07, antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {3516, 848, 88, 207} \[ \frac {x}{16}-\frac {1}{8 (1-\tanh (x))}-\frac {3}{16 (\tanh (x)+1)}+\frac {1}{32 (1-\tanh (x))^2}+\frac {5}{32 (\tanh (x)+1)^2}-\frac {1}{24 (\tanh (x)+1)^3} \]
Antiderivative was successfully verified.
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Rule 88
Rule 207
Rule 848
Rule 3516
Rubi steps
\begin {align*} \int \frac {\sinh ^4(x)}{1+\tanh (x)} \, dx &=-\operatorname {Subst}\left (\int \frac {x^4}{(1+x) \left (-1+x^2\right )^3} \, dx,x,\tanh (x)\right )\\ &=-\operatorname {Subst}\left (\int \frac {x^4}{(-1+x)^3 (1+x)^4} \, dx,x,\tanh (x)\right )\\ &=-\operatorname {Subst}\left (\int \left (\frac {1}{16 (-1+x)^3}+\frac {1}{8 (-1+x)^2}-\frac {1}{8 (1+x)^4}+\frac {5}{16 (1+x)^3}-\frac {3}{16 (1+x)^2}+\frac {1}{16 \left (-1+x^2\right )}\right ) \, dx,x,\tanh (x)\right )\\ &=\frac {1}{32 (1-\tanh (x))^2}-\frac {1}{8 (1-\tanh (x))}-\frac {1}{24 (1+\tanh (x))^3}+\frac {5}{32 (1+\tanh (x))^2}-\frac {3}{16 (1+\tanh (x))}-\frac {1}{16} \operatorname {Subst}\left (\int \frac {1}{-1+x^2} \, dx,x,\tanh (x)\right )\\ &=\frac {x}{16}+\frac {1}{32 (1-\tanh (x))^2}-\frac {1}{8 (1-\tanh (x))}-\frac {1}{24 (1+\tanh (x))^3}+\frac {5}{32 (1+\tanh (x))^2}-\frac {3}{16 (1+\tanh (x))}\\ \end {align*}
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Mathematica [A] time = 0.08, size = 42, normalized size = 0.70 \[ \frac {1}{192} (12 x-3 \sinh (2 x)-3 \sinh (4 x)+\sinh (6 x)-15 \cosh (2 x)+6 \cosh (4 x)-\cosh (6 x)) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.49, size = 92, normalized size = 1.53 \[ \frac {\cosh \relax (x)^{5} + 5 \, \cosh \relax (x) \sinh \relax (x)^{4} + 5 \, \sinh \relax (x)^{5} + {\left (50 \, \cosh \relax (x)^{2} - 27\right )} \sinh \relax (x)^{3} - 9 \, \cosh \relax (x)^{3} + {\left (10 \, \cosh \relax (x)^{3} - 27 \, \cosh \relax (x)\right )} \sinh \relax (x)^{2} + 12 \, {\left (2 \, x - 1\right )} \cosh \relax (x) + {\left (25 \, \cosh \relax (x)^{4} - 81 \, \cosh \relax (x)^{2} + 24 \, x + 12\right )} \sinh \relax (x)}{384 \, {\left (\cosh \relax (x) + \sinh \relax (x)\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.14, size = 42, normalized size = 0.70 \[ -\frac {1}{384} \, {\left (22 \, e^{\left (6 \, x\right )} + 12 \, e^{\left (4 \, x\right )} - 9 \, e^{\left (2 \, x\right )} + 2\right )} e^{\left (-6 \, x\right )} + \frac {1}{16} \, x + \frac {1}{128} \, e^{\left (4 \, x\right )} - \frac {3}{64} \, e^{\left (2 \, x\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.09, size = 98, normalized size = 1.63 \[ \frac {1}{8 \left (\tanh \left (\frac {x}{2}\right )-1\right )^{4}}+\frac {1}{4 \left (\tanh \left (\frac {x}{2}\right )-1\right )^{3}}-\frac {1}{8 \left (\tanh \left (\frac {x}{2}\right )-1\right )}-\frac {\ln \left (\tanh \left (\frac {x}{2}\right )-1\right )}{16}-\frac {1}{3 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{6}}+\frac {1}{\left (\tanh \left (\frac {x}{2}\right )+1\right )^{5}}-\frac {7}{8 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{4}}+\frac {1}{12 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{3}}+\frac {1}{8 \left (\tanh \left (\frac {x}{2}\right )+1\right )^{2}}+\frac {\ln \left (\tanh \left (\frac {x}{2}\right )+1\right )}{16} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.31, size = 36, normalized size = 0.60 \[ -\frac {1}{128} \, {\left (6 \, e^{\left (-2 \, x\right )} - 1\right )} e^{\left (4 \, x\right )} + \frac {1}{16} \, x - \frac {1}{32} \, e^{\left (-2 \, x\right )} + \frac {3}{128} \, e^{\left (-4 \, x\right )} - \frac {1}{192} \, e^{\left (-6 \, x\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.31, size = 34, normalized size = 0.57 \[ \frac {x}{16}-\frac {{\mathrm {e}}^{-2\,x}}{32}-\frac {3\,{\mathrm {e}}^{2\,x}}{64}+\frac {3\,{\mathrm {e}}^{-4\,x}}{128}+\frac {{\mathrm {e}}^{4\,x}}{128}-\frac {{\mathrm {e}}^{-6\,x}}{192} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\sinh ^{4}{\relax (x )}}{\tanh {\relax (x )} + 1}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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