Integrand size = 12, antiderivative size = 57 \[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\frac {\coth (c+d x) \left (b \coth ^2(c+d x)\right )^n \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (1+2 n),\frac {1}{2} (3+2 n),\coth ^2(c+d x)\right )}{d (1+2 n)} \]
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Time = 0.03 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3739, 3557, 371} \[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\frac {\coth (c+d x) \left (b \coth ^2(c+d x)\right )^n \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (2 n+1),\frac {1}{2} (2 n+3),\coth ^2(c+d x)\right )}{d (2 n+1)} \]
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Rule 371
Rule 3557
Rule 3739
Rubi steps \begin{align*} \text {integral}& = \left (\coth ^{-2 n}(c+d x) \left (b \coth ^2(c+d x)\right )^n\right ) \int \coth ^{2 n}(c+d x) \, dx \\ & = -\frac {\left (\coth ^{-2 n}(c+d x) \left (b \coth ^2(c+d x)\right )^n\right ) \text {Subst}\left (\int \frac {x^{2 n}}{-1+x^2} \, dx,x,\coth (c+d x)\right )}{d} \\ & = \frac {\coth (c+d x) \left (b \coth ^2(c+d x)\right )^n \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2} (1+2 n),\frac {1}{2} (3+2 n),\coth ^2(c+d x)\right )}{d (1+2 n)} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.86 \[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\frac {\coth (c+d x) \left (b \coth ^2(c+d x)\right )^n \operatorname {Hypergeometric2F1}\left (1,\frac {1}{2}+n,\frac {3}{2}+n,\coth ^2(c+d x)\right )}{d (1+2 n)} \]
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\[\int \left (\coth \left (d x +c \right )^{2} b \right )^{n}d x\]
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\[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\int { \left (b \coth \left (d x + c\right )^{2}\right )^{n} \,d x } \]
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\[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\int \left (b \coth ^{2}{\left (c + d x \right )}\right )^{n}\, dx \]
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\[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\int { \left (b \coth \left (d x + c\right )^{2}\right )^{n} \,d x } \]
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\[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\int { \left (b \coth \left (d x + c\right )^{2}\right )^{n} \,d x } \]
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Timed out. \[ \int \left (b \coth ^2(c+d x)\right )^n \, dx=\int {\left (b\,{\mathrm {coth}\left (c+d\,x\right )}^2\right )}^n \,d x \]
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