Optimal. Leaf size=43 \[ -\frac{\tanh ^5(a+b x)}{5 b}-\frac{\tanh ^3(a+b x)}{3 b}-\frac{\tanh (a+b x)}{b}+x \]
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Rubi [A] time = 0.0239146, antiderivative size = 43, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 2, integrand size = 8, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {3473, 8} \[ -\frac{\tanh ^5(a+b x)}{5 b}-\frac{\tanh ^3(a+b x)}{3 b}-\frac{\tanh (a+b x)}{b}+x \]
Antiderivative was successfully verified.
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Rule 3473
Rule 8
Rubi steps
\begin{align*} \int \tanh ^6(a+b x) \, dx &=-\frac{\tanh ^5(a+b x)}{5 b}+\int \tanh ^4(a+b x) \, dx\\ &=-\frac{\tanh ^3(a+b x)}{3 b}-\frac{\tanh ^5(a+b x)}{5 b}+\int \tanh ^2(a+b x) \, dx\\ &=-\frac{\tanh (a+b x)}{b}-\frac{\tanh ^3(a+b x)}{3 b}-\frac{\tanh ^5(a+b x)}{5 b}+\int 1 \, dx\\ &=x-\frac{\tanh (a+b x)}{b}-\frac{\tanh ^3(a+b x)}{3 b}-\frac{\tanh ^5(a+b x)}{5 b}\\ \end{align*}
Mathematica [A] time = 0.0188822, size = 53, normalized size = 1.23 \[ -\frac{\tanh ^5(a+b x)}{5 b}-\frac{\tanh ^3(a+b x)}{3 b}+\frac{\tanh ^{-1}(\tanh (a+b x))}{b}-\frac{\tanh (a+b x)}{b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 67, normalized size = 1.6 \begin{align*} -{\frac{ \left ( \tanh \left ( bx+a \right ) \right ) ^{5}}{5\,b}}-{\frac{ \left ( \tanh \left ( bx+a \right ) \right ) ^{3}}{3\,b}}-{\frac{\tanh \left ( bx+a \right ) }{b}}-{\frac{\ln \left ( -1+\tanh \left ( bx+a \right ) \right ) }{2\,b}}+{\frac{\ln \left ( 1+\tanh \left ( bx+a \right ) \right ) }{2\,b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.04313, size = 155, normalized size = 3.6 \begin{align*} x + \frac{a}{b} - \frac{2 \,{\left (70 \, e^{\left (-2 \, b x - 2 \, a\right )} + 140 \, e^{\left (-4 \, b x - 4 \, a\right )} + 90 \, e^{\left (-6 \, b x - 6 \, a\right )} + 45 \, e^{\left (-8 \, b x - 8 \, a\right )} + 23\right )}}{15 \, b{\left (5 \, e^{\left (-2 \, b x - 2 \, a\right )} + 10 \, e^{\left (-4 \, b x - 4 \, a\right )} + 10 \, e^{\left (-6 \, b x - 6 \, a\right )} + 5 \, e^{\left (-8 \, b x - 8 \, a\right )} + e^{\left (-10 \, b x - 10 \, a\right )} + 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.36573, size = 717, normalized size = 16.67 \begin{align*} \frac{{\left (15 \, b x + 23\right )} \cosh \left (b x + a\right )^{5} + 5 \,{\left (15 \, b x + 23\right )} \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{4} - 23 \, \sinh \left (b x + a\right )^{5} + 5 \,{\left (15 \, b x + 23\right )} \cosh \left (b x + a\right )^{3} - 5 \,{\left (46 \, \cosh \left (b x + a\right )^{2} + 5\right )} \sinh \left (b x + a\right )^{3} + 5 \,{\left (2 \,{\left (15 \, b x + 23\right )} \cosh \left (b x + a\right )^{3} + 3 \,{\left (15 \, b x + 23\right )} \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{2} + 10 \,{\left (15 \, b x + 23\right )} \cosh \left (b x + a\right ) - 5 \,{\left (23 \, \cosh \left (b x + a\right )^{4} + 15 \, \cosh \left (b x + a\right )^{2} + 10\right )} \sinh \left (b x + a\right )}{15 \,{\left (b \cosh \left (b x + a\right )^{5} + 5 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{4} + 5 \, b \cosh \left (b x + a\right )^{3} + 5 \,{\left (2 \, b \cosh \left (b x + a\right )^{3} + 3 \, b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{2} + 10 \, b \cosh \left (b x + a\right )\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.653121, size = 39, normalized size = 0.91 \begin{align*} \begin{cases} x - \frac{\tanh ^{5}{\left (a + b x \right )}}{5 b} - \frac{\tanh ^{3}{\left (a + b x \right )}}{3 b} - \frac{\tanh{\left (a + b x \right )}}{b} & \text{for}\: b \neq 0 \\x \tanh ^{6}{\left (a \right )} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.19926, size = 100, normalized size = 2.33 \begin{align*} \frac{b x + a}{b} + \frac{2 \,{\left (45 \, e^{\left (8 \, b x + 8 \, a\right )} + 90 \, e^{\left (6 \, b x + 6 \, a\right )} + 140 \, e^{\left (4 \, b x + 4 \, a\right )} + 70 \, e^{\left (2 \, b x + 2 \, a\right )} + 23\right )}}{15 \, b{\left (e^{\left (2 \, b x + 2 \, a\right )} + 1\right )}^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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