Optimal. Leaf size=8 \[ -x+2 \coth (x) \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.03, antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.235, Rules used = {3250, 3254,
3852, 8} \begin {gather*} 2 \coth (x)-x \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 8
Rule 3250
Rule 3254
Rule 3852
Rubi steps
\begin {align*} \int \frac {1+\cosh ^2(x)}{1-\cosh ^2(x)} \, dx &=-x+2 \int \frac {1}{1-\cosh ^2(x)} \, dx\\ &=-x-2 \int \text {csch}^2(x) \, dx\\ &=-x+2 i \text {Subst}(\int 1 \, dx,x,-i \coth (x))\\ &=-x+2 \coth (x)\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 0.01, size = 8, normalized size = 1.00 \begin {gather*} -x+2 \coth (x) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(27\) vs.
\(2(8)=16\).
time = 0.75, size = 28, normalized size = 3.50
method | result | size |
risch | \(-x +\frac {4}{{\mathrm e}^{2 x}-1}\) | \(15\) |
default | \(\tanh \left (\frac {x}{2}\right )-\ln \left (\tanh \left (\frac {x}{2}\right )+1\right )+\ln \left (\tanh \left (\frac {x}{2}\right )-1\right )+\frac {1}{\tanh \left (\frac {x}{2}\right )}\) | \(28\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A]
time = 0.26, size = 14, normalized size = 1.75 \begin {gather*} -x - \frac {4}{e^{\left (-2 \, x\right )} - 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 17 vs.
\(2 (8) = 16\).
time = 0.37, size = 17, normalized size = 2.12 \begin {gather*} -\frac {{\left (x + 2\right )} \sinh \left (x\right ) - 2 \, \cosh \left (x\right )}{\sinh \left (x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 12 vs.
\(2 (5) = 10\).
time = 0.34, size = 12, normalized size = 1.50 \begin {gather*} - x + \tanh {\left (\frac {x}{2} \right )} + \frac {1}{\tanh {\left (\frac {x}{2} \right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A]
time = 0.40, size = 14, normalized size = 1.75 \begin {gather*} -x + \frac {4}{e^{\left (2 \, x\right )} - 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [B]
time = 0.05, size = 14, normalized size = 1.75 \begin {gather*} \frac {4}{{\mathrm {e}}^{2\,x}-1}-x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________