Optimal. Leaf size=74 \[ -\frac{b \left (3 a^2+3 a b+b^2\right ) \coth (c+d x)}{d}-\frac{b^2 (3 a+b) \coth ^3(c+d x)}{3 d}+x (a+b)^3-\frac{b^3 \coth ^5(c+d x)}{5 d} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0467793, antiderivative size = 74, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.214, Rules used = {3661, 390, 206} \[ -\frac{b \left (3 a^2+3 a b+b^2\right ) \coth (c+d x)}{d}-\frac{b^2 (3 a+b) \coth ^3(c+d x)}{3 d}+x (a+b)^3-\frac{b^3 \coth ^5(c+d x)}{5 d} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 3661
Rule 390
Rule 206
Rubi steps
\begin{align*} \int \left (a+b \coth ^2(c+d x)\right )^3 \, dx &=\frac{\operatorname{Subst}\left (\int \frac{\left (a+b x^2\right )^3}{1-x^2} \, dx,x,\coth (c+d x)\right )}{d}\\ &=\frac{\operatorname{Subst}\left (\int \left (-b \left (3 a^2+3 a b+b^2\right )-b^2 (3 a+b) x^2-b^3 x^4+\frac{(a+b)^3}{1-x^2}\right ) \, dx,x,\coth (c+d x)\right )}{d}\\ &=-\frac{b \left (3 a^2+3 a b+b^2\right ) \coth (c+d x)}{d}-\frac{b^2 (3 a+b) \coth ^3(c+d x)}{3 d}-\frac{b^3 \coth ^5(c+d x)}{5 d}+\frac{(a+b)^3 \operatorname{Subst}\left (\int \frac{1}{1-x^2} \, dx,x,\coth (c+d x)\right )}{d}\\ &=(a+b)^3 x-\frac{b \left (3 a^2+3 a b+b^2\right ) \coth (c+d x)}{d}-\frac{b^2 (3 a+b) \coth ^3(c+d x)}{3 d}-\frac{b^3 \coth ^5(c+d x)}{5 d}\\ \end{align*}
Mathematica [A] time = 1.37289, size = 100, normalized size = 1.35 \[ \frac{(a+b)^3 \tanh ^{-1}\left (\sqrt{\tanh ^2(c+d x)}\right ) \tanh (c+d x)}{d \sqrt{\tanh ^2(c+d x)}}-\frac{b \coth (c+d x) \left (15 \left (3 a^2+3 a b+b^2\right )+5 b (3 a+b) \coth ^2(c+d x)+3 b^2 \coth ^4(c+d x)\right )}{15 d} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [B] time = 0.004, size = 235, normalized size = 3.2 \begin{align*}{\frac{\ln \left ({\rm coth} \left (dx+c\right )+1 \right ){a}^{3}}{2\,d}}+{\frac{3\,\ln \left ({\rm coth} \left (dx+c\right )+1 \right ){a}^{2}b}{2\,d}}+{\frac{3\,\ln \left ({\rm coth} \left (dx+c\right )+1 \right ) a{b}^{2}}{2\,d}}+{\frac{\ln \left ({\rm coth} \left (dx+c\right )+1 \right ){b}^{3}}{2\,d}}-{\frac{\ln \left ({\rm coth} \left (dx+c\right )-1 \right ){a}^{3}}{2\,d}}-{\frac{3\,\ln \left ({\rm coth} \left (dx+c\right )-1 \right ){a}^{2}b}{2\,d}}-{\frac{3\,\ln \left ({\rm coth} \left (dx+c\right )-1 \right ) a{b}^{2}}{2\,d}}-{\frac{\ln \left ({\rm coth} \left (dx+c\right )-1 \right ){b}^{3}}{2\,d}}-{\frac{{\rm coth} \left (dx+c\right ){b}^{3}}{d}}-{\frac{ \left ({\rm coth} \left (dx+c\right ) \right ) ^{3}{b}^{3}}{3\,d}}-{\frac{{b}^{3} \left ({\rm coth} \left (dx+c\right ) \right ) ^{5}}{5\,d}}-{\frac{ \left ({\rm coth} \left (dx+c\right ) \right ) ^{3}a{b}^{2}}{d}}-3\,{\frac{{a}^{2}{\rm coth} \left (dx+c\right )b}{d}}-3\,{\frac{a{b}^{2}{\rm coth} \left (dx+c\right )}{d}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [B] time = 1.24432, size = 323, normalized size = 4.36 \begin{align*} \frac{1}{15} \, b^{3}{\left (15 \, x + \frac{15 \, c}{d} - \frac{2 \,{\left (70 \, e^{\left (-2 \, d x - 2 \, c\right )} - 140 \, e^{\left (-4 \, d x - 4 \, c\right )} + 90 \, e^{\left (-6 \, d x - 6 \, c\right )} - 45 \, e^{\left (-8 \, d x - 8 \, c\right )} - 23\right )}}{d{\left (5 \, e^{\left (-2 \, d x - 2 \, c\right )} - 10 \, e^{\left (-4 \, d x - 4 \, c\right )} + 10 \, e^{\left (-6 \, d x - 6 \, c\right )} - 5 \, e^{\left (-8 \, d x - 8 \, c\right )} + e^{\left (-10 \, d x - 10 \, c\right )} - 1\right )}}\right )} + a b^{2}{\left (3 \, x + \frac{3 \, c}{d} - \frac{4 \,{\left (3 \, e^{\left (-2 \, d x - 2 \, c\right )} - 3 \, e^{\left (-4 \, d x - 4 \, c\right )} - 2\right )}}{d{\left (3 \, e^{\left (-2 \, d x - 2 \, c\right )} - 3 \, e^{\left (-4 \, d x - 4 \, c\right )} + e^{\left (-6 \, d x - 6 \, c\right )} - 1\right )}}\right )} + 3 \, a^{2} b{\left (x + \frac{c}{d} + \frac{2}{d{\left (e^{\left (-2 \, d x - 2 \, c\right )} - 1\right )}}\right )} + a^{3} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] time = 2.73264, size = 1372, normalized size = 18.54 \begin{align*} -\frac{{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3}\right )} \cosh \left (d x + c\right )^{5} + 5 \,{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3}\right )} \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{4} -{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3} + 15 \,{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d x\right )} \sinh \left (d x + c\right )^{5} - 5 \,{\left (27 \, a^{2} b + 24 \, a b^{2} + 5 \, b^{3}\right )} \cosh \left (d x + c\right )^{3} + 5 \,{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3} + 15 \,{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d x - 2 \,{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3} + 15 \,{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d x\right )} \cosh \left (d x + c\right )^{2}\right )} \sinh \left (d x + c\right )^{3} + 5 \,{\left (2 \,{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3}\right )} \cosh \left (d x + c\right )^{3} - 3 \,{\left (27 \, a^{2} b + 24 \, a b^{2} + 5 \, b^{3}\right )} \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )^{2} + 10 \,{\left (9 \, a^{2} b + 6 \, a b^{2} + 5 \, b^{3}\right )} \cosh \left (d x + c\right ) - 5 \,{\left ({\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3} + 15 \,{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d x\right )} \cosh \left (d x + c\right )^{4} + 90 \, a^{2} b + 120 \, a b^{2} + 46 \, b^{3} + 30 \,{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d x - 3 \,{\left (45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3} + 15 \,{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d x\right )} \cosh \left (d x + c\right )^{2}\right )} \sinh \left (d x + c\right )}{15 \,{\left (d \sinh \left (d x + c\right )^{5} + 5 \,{\left (2 \, d \cosh \left (d x + c\right )^{2} - d\right )} \sinh \left (d x + c\right )^{3} + 5 \,{\left (d \cosh \left (d x + c\right )^{4} - 3 \, d \cosh \left (d x + c\right )^{2} + 2 \, d\right )} \sinh \left (d x + c\right )\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 62.8336, size = 170, normalized size = 2.3 \begin{align*} \begin{cases} a^{3} x + \tilde{\infty } a^{2} b x + \tilde{\infty } a b^{2} x + \tilde{\infty } b^{3} x & \text{for}\: c = \log{\left (- e^{- d x} \right )} \vee c = \log{\left (e^{- d x} \right )} \\x \left (a + b \coth ^{2}{\left (c \right )}\right )^{3} & \text{for}\: d = 0 \\a^{3} x + 3 a^{2} b x - \frac{3 a^{2} b}{d \tanh{\left (c + d x \right )}} + 3 a b^{2} x - \frac{3 a b^{2}}{d \tanh{\left (c + d x \right )}} - \frac{a b^{2}}{d \tanh ^{3}{\left (c + d x \right )}} + b^{3} x - \frac{b^{3}}{d \tanh{\left (c + d x \right )}} - \frac{b^{3}}{3 d \tanh ^{3}{\left (c + d x \right )}} - \frac{b^{3}}{5 d \tanh ^{5}{\left (c + d x \right )}} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 1.1668, size = 325, normalized size = 4.39 \begin{align*} \frac{{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )}{\left (d x + c\right )}}{d} - \frac{2 \,{\left (45 \, a^{2} b e^{\left (8 \, d x + 8 \, c\right )} + 90 \, a b^{2} e^{\left (8 \, d x + 8 \, c\right )} + 45 \, b^{3} e^{\left (8 \, d x + 8 \, c\right )} - 180 \, a^{2} b e^{\left (6 \, d x + 6 \, c\right )} - 270 \, a b^{2} e^{\left (6 \, d x + 6 \, c\right )} - 90 \, b^{3} e^{\left (6 \, d x + 6 \, c\right )} + 270 \, a^{2} b e^{\left (4 \, d x + 4 \, c\right )} + 330 \, a b^{2} e^{\left (4 \, d x + 4 \, c\right )} + 140 \, b^{3} e^{\left (4 \, d x + 4 \, c\right )} - 180 \, a^{2} b e^{\left (2 \, d x + 2 \, c\right )} - 210 \, a b^{2} e^{\left (2 \, d x + 2 \, c\right )} - 70 \, b^{3} e^{\left (2 \, d x + 2 \, c\right )} + 45 \, a^{2} b + 60 \, a b^{2} + 23 \, b^{3}\right )}}{15 \, d{\left (e^{\left (2 \, d x + 2 \, c\right )} - 1\right )}^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]