Optimal. Leaf size=57 \[ \frac{\tanh (c+d x) \left (b \tanh ^m(c+d x)\right )^n \, _2F_1\left (1,\frac{1}{2} (m n+1);\frac{1}{2} (m n+3);\tanh ^2(c+d x)\right )}{d (m n+1)} \]
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Rubi [A] time = 0.0393417, antiderivative size = 57, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {3659, 3476, 364} \[ \frac{\tanh (c+d x) \left (b \tanh ^m(c+d x)\right )^n \, _2F_1\left (1,\frac{1}{2} (m n+1);\frac{1}{2} (m n+3);\tanh ^2(c+d x)\right )}{d (m n+1)} \]
Antiderivative was successfully verified.
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Rule 3659
Rule 3476
Rule 364
Rubi steps
\begin{align*} \int \left (b \tanh ^m(c+d x)\right )^n \, dx &=\left (\tanh ^{-m n}(c+d x) \left (b \tanh ^m(c+d x)\right )^n\right ) \int \tanh ^{m n}(c+d x) \, dx\\ &=-\frac{\left (\tanh ^{-m n}(c+d x) \left (b \tanh ^m(c+d x)\right )^n\right ) \operatorname{Subst}\left (\int \frac{x^{m n}}{-1+x^2} \, dx,x,\tanh (c+d x)\right )}{d}\\ &=\frac{\, _2F_1\left (1,\frac{1}{2} (1+m n);\frac{1}{2} (3+m n);\tanh ^2(c+d x)\right ) \tanh (c+d x) \left (b \tanh ^m(c+d x)\right )^n}{d (1+m n)}\\ \end{align*}
Mathematica [A] time = 0.051644, size = 55, normalized size = 0.96 \[ \frac{\tanh (c+d x) \left (b \tanh ^m(c+d x)\right )^n \, _2F_1\left (1,\frac{1}{2} (m n+1);\frac{1}{2} (m n+3);\tanh ^2(c+d x)\right )}{d m n+d} \]
Antiderivative was successfully verified.
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Maple [F] time = 3.984, size = 0, normalized size = 0. \begin{align*} \int \left ( b \left ( \tanh \left ( dx+c \right ) \right ) ^{m} \right ) ^{n}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (b \tanh \left (d x + c\right )^{m}\right )^{n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\left (b \tanh \left (d x + c\right )^{m}\right )^{n}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (b \tanh ^{m}{\left (c + d x \right )}\right )^{n}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (b \tanh \left (d x + c\right )^{m}\right )^{n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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