Optimal. Leaf size=12 \[ x-\frac {2 \sinh (x)}{\cosh (x)+1} \]
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Rubi [A] time = 0.08, antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.444, Rules used = {4392, 2670, 2680, 8} \[ x-\frac {2 \sinh (x)}{\cosh (x)+1} \]
Antiderivative was successfully verified.
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Rule 8
Rule 2670
Rule 2680
Rule 4392
Rubi steps
\begin {align*} \int (-\coth (x)+\text {csch}(x))^2 \, dx &=-\int (i-i \cosh (x))^2 \text {csch}^2(x) \, dx\\ &=-\int \frac {\sinh ^2(x)}{(i+i \cosh (x))^2} \, dx\\ &=-\frac {2 \sinh (x)}{1+\cosh (x)}+\int 1 \, dx\\ &=x-\frac {2 \sinh (x)}{1+\cosh (x)}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 18, normalized size = 1.50 \[ 2 \tanh ^{-1}\left (\tanh \left (\frac {x}{2}\right )\right )-2 \tanh \left (\frac {x}{2}\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.39, size = 20, normalized size = 1.67 \[ \frac {x \cosh \relax (x) + x \sinh \relax (x) + x + 4}{\cosh \relax (x) + \sinh \relax (x) + 1} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.11, size = 10, normalized size = 0.83 \[ x + \frac {4}{e^{x} + 1} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.37, size = 13, normalized size = 1.08 \[ x -2 \coth \relax (x )+\frac {2}{\sinh \relax (x )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.40, size = 25, normalized size = 2.08 \[ x - \frac {4}{e^{\left (-x\right )} - e^{x}} + \frac {4}{e^{\left (-2 \, x\right )} - 1} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.06, size = 10, normalized size = 0.83 \[ x+\frac {4}{{\mathrm {e}}^x+1} \]
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 \[ \int \left (- \coth {\relax (x )} + \operatorname {csch}{\relax (x )}\right )^{2}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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