Optimal. Leaf size=42 \[ \frac {\log (\cosh (a+b x))}{b}-\frac {\tanh ^2(a+b x)}{2 b}-\frac {\tanh ^4(a+b x)}{4 b} \]
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Rubi [A]
time = 0.02, antiderivative size = 42, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3554, 3556}
\begin {gather*} -\frac {\tanh ^4(a+b x)}{4 b}-\frac {\tanh ^2(a+b x)}{2 b}+\frac {\log (\cosh (a+b x))}{b} \end {gather*}
Antiderivative was successfully verified.
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Rule 3554
Rule 3556
Rubi steps
\begin {align*} \int \tanh ^5(a+b x) \, dx &=-\frac {\tanh ^4(a+b x)}{4 b}+\int \tanh ^3(a+b x) \, dx\\ &=-\frac {\tanh ^2(a+b x)}{2 b}-\frac {\tanh ^4(a+b x)}{4 b}+\int \tanh (a+b x) \, dx\\ &=\frac {\log (\cosh (a+b x))}{b}-\frac {\tanh ^2(a+b x)}{2 b}-\frac {\tanh ^4(a+b x)}{4 b}\\ \end {align*}
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Mathematica [A]
time = 0.07, size = 37, normalized size = 0.88 \begin {gather*} \frac {4 \log (\cosh (a+b x))-2 \tanh ^2(a+b x)-\tanh ^4(a+b x)}{4 b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.26, size = 48, normalized size = 1.14
method | result | size |
derivativedivides | \(\frac {-\frac {\left (\tanh ^{4}\left (b x +a \right )\right )}{4}-\frac {\left (\tanh ^{2}\left (b x +a \right )\right )}{2}-\frac {\ln \left (-1+\tanh \left (b x +a \right )\right )}{2}-\frac {\ln \left (\tanh \left (b x +a \right )+1\right )}{2}}{b}\) | \(48\) |
default | \(\frac {-\frac {\left (\tanh ^{4}\left (b x +a \right )\right )}{4}-\frac {\left (\tanh ^{2}\left (b x +a \right )\right )}{2}-\frac {\ln \left (-1+\tanh \left (b x +a \right )\right )}{2}-\frac {\ln \left (\tanh \left (b x +a \right )+1\right )}{2}}{b}\) | \(48\) |
risch | \(-x -\frac {2 a}{b}+\frac {4 \,{\mathrm e}^{2 b x +2 a} \left ({\mathrm e}^{4 b x +4 a}+{\mathrm e}^{2 b x +2 a}+1\right )}{b \left ({\mathrm e}^{2 b x +2 a}+1\right )^{4}}+\frac {\ln \left ({\mathrm e}^{2 b x +2 a}+1\right )}{b}\) | \(74\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 102 vs.
\(2 (38) = 76\).
time = 0.47, size = 102, normalized size = 2.43 \begin {gather*} x + \frac {a}{b} + \frac {\log \left (e^{\left (-2 \, b x - 2 \, a\right )} + 1\right )}{b} + \frac {4 \, {\left (e^{\left (-2 \, b x - 2 \, a\right )} + e^{\left (-4 \, b x - 4 \, a\right )} + e^{\left (-6 \, b x - 6 \, a\right )}\right )}}{b {\left (4 \, e^{\left (-2 \, b x - 2 \, a\right )} + 6 \, e^{\left (-4 \, b x - 4 \, a\right )} + 4 \, e^{\left (-6 \, b x - 6 \, a\right )} + e^{\left (-8 \, b x - 8 \, a\right )} + 1\right )}} \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. 968 vs.
\(2 (38) = 76\).
time = 0.37, size = 968, normalized size = 23.05 \begin {gather*} -\frac {b x \cosh \left (b x + a\right )^{8} + 8 \, b x \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{7} + b x \sinh \left (b x + a\right )^{8} + 4 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )^{6} + 4 \, {\left (7 \, b x \cosh \left (b x + a\right )^{2} + b x - 1\right )} \sinh \left (b x + a\right )^{6} + 8 \, {\left (7 \, b x \cosh \left (b x + a\right )^{3} + 3 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{5} + 2 \, {\left (3 \, b x - 2\right )} \cosh \left (b x + a\right )^{4} + 2 \, {\left (35 \, b x \cosh \left (b x + a\right )^{4} + 30 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )^{2} + 3 \, b x - 2\right )} \sinh \left (b x + a\right )^{4} + 8 \, {\left (7 \, b x \cosh \left (b x + a\right )^{5} + 10 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )^{3} + {\left (3 \, b x - 2\right )} \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{3} + 4 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )^{2} + 4 \, {\left (7 \, b x \cosh \left (b x + a\right )^{6} + 15 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )^{4} + 3 \, {\left (3 \, b x - 2\right )} \cosh \left (b x + a\right )^{2} + b x - 1\right )} \sinh \left (b x + a\right )^{2} + b x - {\left (\cosh \left (b x + a\right )^{8} + 8 \, \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{7} + \sinh \left (b x + a\right )^{8} + 4 \, {\left (7 \, \cosh \left (b x + a\right )^{2} + 1\right )} \sinh \left (b x + a\right )^{6} + 4 \, \cosh \left (b x + a\right )^{6} + 8 \, {\left (7 \, \cosh \left (b x + a\right )^{3} + 3 \, \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{5} + 2 \, {\left (35 \, \cosh \left (b x + a\right )^{4} + 30 \, \cosh \left (b x + a\right )^{2} + 3\right )} \sinh \left (b x + a\right )^{4} + 6 \, \cosh \left (b x + a\right )^{4} + 8 \, {\left (7 \, \cosh \left (b x + a\right )^{5} + 10 \, \cosh \left (b x + a\right )^{3} + 3 \, \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{3} + 4 \, {\left (7 \, \cosh \left (b x + a\right )^{6} + 15 \, \cosh \left (b x + a\right )^{4} + 9 \, \cosh \left (b x + a\right )^{2} + 1\right )} \sinh \left (b x + a\right )^{2} + 4 \, \cosh \left (b x + a\right )^{2} + 8 \, {\left (\cosh \left (b x + a\right )^{7} + 3 \, \cosh \left (b x + a\right )^{5} + 3 \, \cosh \left (b x + a\right )^{3} + \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right ) + 1\right )} \log \left (\frac {2 \, \cosh \left (b x + a\right )}{\cosh \left (b x + a\right ) - \sinh \left (b x + a\right )}\right ) + 8 \, {\left (b x \cosh \left (b x + a\right )^{7} + 3 \, {\left (b x - 1\right )} \cosh \left (b x + a\right )^{5} + {\left (3 \, b x - 2\right )} \cosh \left (b x + a\right )^{3} + {\left (b x - 1\right )} \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )}{b \cosh \left (b x + a\right )^{8} + 8 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{7} + b \sinh \left (b x + a\right )^{8} + 4 \, b \cosh \left (b x + a\right )^{6} + 4 \, {\left (7 \, b \cosh \left (b x + a\right )^{2} + b\right )} \sinh \left (b x + a\right )^{6} + 8 \, {\left (7 \, b \cosh \left (b x + a\right )^{3} + 3 \, b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{5} + 6 \, b \cosh \left (b x + a\right )^{4} + 2 \, {\left (35 \, b \cosh \left (b x + a\right )^{4} + 30 \, b \cosh \left (b x + a\right )^{2} + 3 \, b\right )} \sinh \left (b x + a\right )^{4} + 8 \, {\left (7 \, b \cosh \left (b x + a\right )^{5} + 10 \, b \cosh \left (b x + a\right )^{3} + 3 \, b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{3} + 4 \, b \cosh \left (b x + a\right )^{2} + 4 \, {\left (7 \, b \cosh \left (b x + a\right )^{6} + 15 \, b \cosh \left (b x + a\right )^{4} + 9 \, b \cosh \left (b x + a\right )^{2} + b\right )} \sinh \left (b x + a\right )^{2} + 8 \, {\left (b \cosh \left (b x + a\right )^{7} + 3 \, b \cosh \left (b x + a\right )^{5} + 3 \, b \cosh \left (b x + a\right )^{3} + b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right ) + b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.12, size = 42, normalized size = 1.00 \begin {gather*} \begin {cases} x - \frac {\log {\left (\tanh {\left (a + b x \right )} + 1 \right )}}{b} - \frac {\tanh ^{4}{\left (a + b x \right )}}{4 b} - \frac {\tanh ^{2}{\left (a + b x \right )}}{2 b} & \text {for}\: b \neq 0 \\x \tanh ^{5}{\left (a \right )} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 67, normalized size = 1.60 \begin {gather*} -\frac {b x + a - \frac {4 \, {\left (e^{\left (6 \, b x + 6 \, a\right )} + e^{\left (4 \, b x + 4 \, a\right )} + e^{\left (2 \, b x + 2 \, a\right )}\right )}}{{\left (e^{\left (2 \, b x + 2 \, a\right )} + 1\right )}^{4}} - \log \left (e^{\left (2 \, b x + 2 \, a\right )} + 1\right )}{b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.12, size = 37, normalized size = 0.88 \begin {gather*} x-\frac {\ln \left (\mathrm {tanh}\left (a+b\,x\right )+1\right )+\frac {{\mathrm {tanh}\left (a+b\,x\right )}^2}{2}+\frac {{\mathrm {tanh}\left (a+b\,x\right )}^4}{4}}{b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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