Optimal. Leaf size=31 \[ -\frac {\tanh ^{-1}\left (\frac {\sqrt {a \cosh ^2(c+d x)}}{\sqrt {a}}\right )}{\sqrt {a} d} \]
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Rubi [A]
time = 0.03, antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {3284, 65, 212}
\begin {gather*} -\frac {\tanh ^{-1}\left (\frac {\sqrt {a \cosh ^2(c+d x)}}{\sqrt {a}}\right )}{\sqrt {a} d} \end {gather*}
Antiderivative was successfully verified.
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Rule 65
Rule 212
Rule 3284
Rubi steps
\begin {align*} \int \frac {\coth (c+d x)}{\sqrt {a \cosh ^2(c+d x)}} \, dx &=-\frac {\text {Subst}\left (\int \frac {1}{(1-x) \sqrt {a x}} \, dx,x,\cosh ^2(c+d x)\right )}{2 d}\\ &=-\frac {\text {Subst}\left (\int \frac {1}{1-\frac {x^2}{a}} \, dx,x,\sqrt {a \cosh ^2(c+d x)}\right )}{a d}\\ &=-\frac {\tanh ^{-1}\left (\frac {\sqrt {a \cosh ^2(c+d x)}}{\sqrt {a}}\right )}{\sqrt {a} d}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 49, normalized size = 1.58 \begin {gather*} \frac {\cosh (c+d x) \left (-\log \left (\cosh \left (\frac {1}{2} (c+d x)\right )\right )+\log \left (\sinh \left (\frac {1}{2} (c+d x)\right )\right )\right )}{d \sqrt {a \cosh ^2(c+d x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 2.22, size = 31, normalized size = 1.00
method | result | size |
default | \(-\frac {\cosh \left (d x +c \right ) \arctanh \left (\cosh \left (d x +c \right )\right )}{\sqrt {a \left (\cosh ^{2}\left (d x +c \right )\right )}\, d}\) | \(31\) |
risch | \(\frac {\ln \left ({\mathrm e}^{d x}-{\mathrm e}^{-c}\right ) \left (1+{\mathrm e}^{2 d x +2 c}\right ) {\mathrm e}^{-d x -c}}{d \sqrt {a \left (1+{\mathrm e}^{2 d x +2 c}\right )^{2} {\mathrm e}^{-2 d x -2 c}}}-\frac {\ln \left ({\mathrm e}^{d x}+{\mathrm e}^{-c}\right ) \left (1+{\mathrm e}^{2 d x +2 c}\right ) {\mathrm e}^{-d x -c}}{d \sqrt {a \left (1+{\mathrm e}^{2 d x +2 c}\right )^{2} {\mathrm e}^{-2 d x -2 c}}}\) | \(125\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.51, size = 40, normalized size = 1.29 \begin {gather*} -\frac {\log \left (e^{\left (-d x - c\right )} + 1\right )}{\sqrt {a} d} + \frac {\log \left (e^{\left (-d x - c\right )} - 1\right )}{\sqrt {a} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 95 vs.
\(2 (25) = 50\).
time = 0.37, size = 174, normalized size = 5.61 \begin {gather*} \left [\frac {\sqrt {a e^{\left (4 \, d x + 4 \, c\right )} + 2 \, a e^{\left (2 \, d x + 2 \, c\right )} + a} \log \left (\frac {\cosh \left (d x + c\right ) + \sinh \left (d x + c\right ) - 1}{\cosh \left (d x + c\right ) + \sinh \left (d x + c\right ) + 1}\right )}{a d e^{\left (2 \, d x + 2 \, c\right )} + a d}, \frac {2 \, \sqrt {-a} \arctan \left (\frac {\sqrt {a e^{\left (4 \, d x + 4 \, c\right )} + 2 \, a e^{\left (2 \, d x + 2 \, c\right )} + a} \sqrt {-a}}{a \cosh \left (d x + c\right ) e^{\left (2 \, d x + 2 \, c\right )} + a \cosh \left (d x + c\right ) + {\left (a e^{\left (2 \, d x + 2 \, c\right )} + a\right )} \sinh \left (d x + c\right )}\right )}{a d}\right ] \end {gather*}
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 \begin {gather*} \int \frac {\coth {\left (c + d x \right )}}{\sqrt {a \cosh ^{2}{\left (c + d x \right )}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \frac {\mathrm {coth}\left (c+d\,x\right )}{\sqrt {a\,{\mathrm {cosh}\left (c+d\,x\right )}^2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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