Integrand size = 13, antiderivative size = 183 \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\frac {x}{a}-\frac {3 \text {arctanh}(\cosh (x))}{8 b}+\frac {\left (a^2+3 b^2\right ) \text {arctanh}(\cosh (x))}{2 b^3}-\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \text {arctanh}(\cosh (x))}{b^5}+\frac {2 \left (a^2+b^2\right )^{5/2} \text {arctanh}\left (\frac {a-b \tanh \left (\frac {x}{2}\right )}{\sqrt {a^2+b^2}}\right )}{a b^5}-\frac {a \coth (x)}{b^2}+\frac {a \left (a^2+3 b^2\right ) \coth (x)}{b^4}+\frac {a \coth ^3(x)}{3 b^2}+\frac {3 \coth (x) \text {csch}(x)}{8 b}-\frac {\left (a^2+3 b^2\right ) \coth (x) \text {csch}(x)}{2 b^3}-\frac {\coth (x) \text {csch}^3(x)}{4 b} \]
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Time = 0.25 (sec) , antiderivative size = 183, normalized size of antiderivative = 1.00, number of steps used = 16, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.692, Rules used = {3983, 2976, 3855, 3852, 8, 3853, 2739, 632, 210} \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\frac {2 \left (a^2+b^2\right )^{5/2} \text {arctanh}\left (\frac {a-b \tanh \left (\frac {x}{2}\right )}{\sqrt {a^2+b^2}}\right )}{a b^5}+\frac {\left (a^2+3 b^2\right ) \text {arctanh}(\cosh (x))}{2 b^3}+\frac {a \left (a^2+3 b^2\right ) \coth (x)}{b^4}-\frac {\left (a^2+3 b^2\right ) \coth (x) \text {csch}(x)}{2 b^3}-\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \text {arctanh}(\cosh (x))}{b^5}+\frac {a \coth ^3(x)}{3 b^2}-\frac {a \coth (x)}{b^2}+\frac {x}{a}-\frac {3 \text {arctanh}(\cosh (x))}{8 b}-\frac {\coth (x) \text {csch}^3(x)}{4 b}+\frac {3 \coth (x) \text {csch}(x)}{8 b} \]
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Rule 8
Rule 210
Rule 632
Rule 2739
Rule 2976
Rule 3852
Rule 3853
Rule 3855
Rule 3983
Rubi steps \begin{align*} \text {integral}& = i \int \frac {\cosh (x) \coth ^5(x)}{i b+i a \sinh (x)} \, dx \\ & = -\int \left (-\frac {1}{a}-\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \text {csch}(x)}{b^5}-\frac {a \left (-a^2-3 b^2\right ) \text {csch}^2(x)}{b^4}-\frac {\left (a^2+3 b^2\right ) \text {csch}^3(x)}{b^3}+\frac {a \text {csch}^4(x)}{b^2}-\frac {\text {csch}^5(x)}{b}+\frac {i \left (a^2+b^2\right )^3}{a b^5 (i b+i a \sinh (x))}\right ) \, dx \\ & = \frac {x}{a}-\frac {a \int \text {csch}^4(x) \, dx}{b^2}+\frac {\int \text {csch}^5(x) \, dx}{b}-\frac {\left (i \left (a^2+b^2\right )^3\right ) \int \frac {1}{i b+i a \sinh (x)} \, dx}{a b^5}-\frac {\left (a \left (a^2+3 b^2\right )\right ) \int \text {csch}^2(x) \, dx}{b^4}+\frac {\left (a^2+3 b^2\right ) \int \text {csch}^3(x) \, dx}{b^3}+\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \int \text {csch}(x) \, dx}{b^5} \\ & = \frac {x}{a}-\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \text {arctanh}(\cosh (x))}{b^5}-\frac {\left (a^2+3 b^2\right ) \coth (x) \text {csch}(x)}{2 b^3}-\frac {\coth (x) \text {csch}^3(x)}{4 b}-\frac {(i a) \text {Subst}\left (\int \left (1+x^2\right ) \, dx,x,-i \coth (x)\right )}{b^2}-\frac {3 \int \text {csch}^3(x) \, dx}{4 b}-\frac {\left (2 i \left (a^2+b^2\right )^3\right ) \text {Subst}\left (\int \frac {1}{i b+2 i a x-i b x^2} \, dx,x,\tanh \left (\frac {x}{2}\right )\right )}{a b^5}+\frac {\left (i a \left (a^2+3 b^2\right )\right ) \text {Subst}(\int 1 \, dx,x,-i \coth (x))}{b^4}-\frac {\left (a^2+3 b^2\right ) \int \text {csch}(x) \, dx}{2 b^3} \\ & = \frac {x}{a}+\frac {\left (a^2+3 b^2\right ) \text {arctanh}(\cosh (x))}{2 b^3}-\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \text {arctanh}(\cosh (x))}{b^5}-\frac {a \coth (x)}{b^2}+\frac {a \left (a^2+3 b^2\right ) \coth (x)}{b^4}+\frac {a \coth ^3(x)}{3 b^2}+\frac {3 \coth (x) \text {csch}(x)}{8 b}-\frac {\left (a^2+3 b^2\right ) \coth (x) \text {csch}(x)}{2 b^3}-\frac {\coth (x) \text {csch}^3(x)}{4 b}+\frac {3 \int \text {csch}(x) \, dx}{8 b}+\frac {\left (4 i \left (a^2+b^2\right )^3\right ) \text {Subst}\left (\int \frac {1}{-4 \left (a^2+b^2\right )-x^2} \, dx,x,2 i a-2 i b \tanh \left (\frac {x}{2}\right )\right )}{a b^5} \\ & = \frac {x}{a}-\frac {3 \text {arctanh}(\cosh (x))}{8 b}+\frac {\left (a^2+3 b^2\right ) \text {arctanh}(\cosh (x))}{2 b^3}-\frac {\left (a^4+3 a^2 b^2+3 b^4\right ) \text {arctanh}(\cosh (x))}{b^5}+\frac {2 \left (a^2+b^2\right )^{5/2} \text {arctanh}\left (\frac {a-b \tanh \left (\frac {x}{2}\right )}{\sqrt {a^2+b^2}}\right )}{a b^5}-\frac {a \coth (x)}{b^2}+\frac {a \left (a^2+3 b^2\right ) \coth (x)}{b^4}+\frac {a \coth ^3(x)}{3 b^2}+\frac {3 \coth (x) \text {csch}(x)}{8 b}-\frac {\left (a^2+3 b^2\right ) \coth (x) \text {csch}(x)}{2 b^3}-\frac {\coth (x) \text {csch}^3(x)}{4 b} \\ \end{align*}
Time = 1.35 (sec) , antiderivative size = 298, normalized size of antiderivative = 1.63 \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\frac {\text {csch}(x) (b+a \sinh (x)) \left (192 b^5 x+384 \left (-a^2-b^2\right )^{5/2} \arctan \left (\frac {a-b \tanh \left (\frac {x}{2}\right )}{\sqrt {-a^2-b^2}}\right )+32 a^2 b \left (3 a^2+7 b^2\right ) \coth \left (\frac {x}{2}\right )-6 a b^2 \left (4 a^2+9 b^2\right ) \text {csch}^2\left (\frac {x}{2}\right )-3 a b^4 \text {csch}^4\left (\frac {x}{2}\right )-24 a \left (8 a^4+20 a^2 b^2+15 b^4\right ) \log \left (\cosh \left (\frac {x}{2}\right )\right )+24 a \left (8 a^4+20 a^2 b^2+15 b^4\right ) \log \left (\sinh \left (\frac {x}{2}\right )\right )-6 a b^2 \left (4 a^2+9 b^2\right ) \text {sech}^2\left (\frac {x}{2}\right )+3 a b^4 \text {sech}^4\left (\frac {x}{2}\right )-64 a^2 b^3 \text {csch}^3(x) \sinh ^4\left (\frac {x}{2}\right )+4 a^2 b^3 \text {csch}^4\left (\frac {x}{2}\right ) \sinh (x)+32 a^2 b \left (3 a^2+7 b^2\right ) \tanh \left (\frac {x}{2}\right )\right )}{192 a b^5 (a+b \text {csch}(x))} \]
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Time = 2.58 (sec) , antiderivative size = 260, normalized size of antiderivative = 1.42
method | result | size |
default | \(\frac {\frac {b^{3} \tanh \left (\frac {x}{2}\right )^{4}}{4}+\frac {2 a \tanh \left (\frac {x}{2}\right )^{3} b^{2}}{3}+2 a^{2} b \tanh \left (\frac {x}{2}\right )^{2}+4 b^{3} \tanh \left (\frac {x}{2}\right )^{2}+8 a^{3} \tanh \left (\frac {x}{2}\right )+18 a \,b^{2} \tanh \left (\frac {x}{2}\right )}{16 b^{4}}+\frac {\ln \left (\tanh \left (\frac {x}{2}\right )+1\right )}{a}-\frac {\ln \left (\tanh \left (\frac {x}{2}\right )-1\right )}{a}+\frac {\left (32 a^{6}+96 a^{4} b^{2}+96 a^{2} b^{4}+32 b^{6}\right ) \operatorname {arctanh}\left (\frac {-2 b \tanh \left (\frac {x}{2}\right )+2 a}{2 \sqrt {a^{2}+b^{2}}}\right )}{16 a \,b^{5} \sqrt {a^{2}+b^{2}}}-\frac {1}{64 b \tanh \left (\frac {x}{2}\right )^{4}}-\frac {4 a^{2}+8 b^{2}}{32 b^{3} \tanh \left (\frac {x}{2}\right )^{2}}+\frac {\left (16 a^{4}+40 a^{2} b^{2}+30 b^{4}\right ) \ln \left (\tanh \left (\frac {x}{2}\right )\right )}{16 b^{5}}+\frac {a}{24 b^{2} \tanh \left (\frac {x}{2}\right )^{3}}+\frac {a \left (4 a^{2}+9 b^{2}\right )}{8 b^{4} \tanh \left (\frac {x}{2}\right )}\) | \(260\) |
risch | \(\frac {x}{a}+\frac {-12 a^{2} b \,{\mathrm e}^{7 x}-27 b^{3} {\mathrm e}^{7 x}+24 a^{3} {\mathrm e}^{6 x}+72 a \,b^{2} {\mathrm e}^{6 x}+12 a^{2} b \,{\mathrm e}^{5 x}+3 b^{3} {\mathrm e}^{5 x}-72 a^{3} {\mathrm e}^{4 x}-168 a \,b^{2} {\mathrm e}^{4 x}+12 a^{2} b \,{\mathrm e}^{3 x}+3 b^{3} {\mathrm e}^{3 x}+72 a^{3} {\mathrm e}^{2 x}+152 a \,b^{2} {\mathrm e}^{2 x}-12 a^{2} b \,{\mathrm e}^{x}-27 b^{3} {\mathrm e}^{x}-24 a^{3}-56 a \,b^{2}}{12 b^{4} \left ({\mathrm e}^{2 x}-1\right )^{4}}+\frac {\left (a^{2}+b^{2}\right )^{\frac {5}{2}} \ln \left ({\mathrm e}^{x}+\frac {\left (a^{2}+b^{2}\right )^{\frac {5}{2}}+a^{4} b +2 a^{2} b^{3}+b^{5}}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) a}\right )}{b^{5} a}-\frac {\left (a^{2}+b^{2}\right )^{\frac {5}{2}} \ln \left ({\mathrm e}^{x}-\frac {\left (a^{2}+b^{2}\right )^{\frac {5}{2}}-a^{4} b -2 a^{2} b^{3}-b^{5}}{\left (a^{4}+2 a^{2} b^{2}+b^{4}\right ) a}\right )}{b^{5} a}-\frac {\ln \left ({\mathrm e}^{x}+1\right ) a^{4}}{b^{5}}-\frac {5 \ln \left ({\mathrm e}^{x}+1\right ) a^{2}}{2 b^{3}}-\frac {15 \ln \left ({\mathrm e}^{x}+1\right )}{8 b}+\frac {\ln \left ({\mathrm e}^{x}-1\right ) a^{4}}{b^{5}}+\frac {5 \ln \left ({\mathrm e}^{x}-1\right ) a^{2}}{2 b^{3}}+\frac {15 \ln \left ({\mathrm e}^{x}-1\right )}{8 b}\) | \(371\) |
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Leaf count of result is larger than twice the leaf count of optimal. 3160 vs. \(2 (167) = 334\).
Time = 0.41 (sec) , antiderivative size = 3160, normalized size of antiderivative = 17.27 \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\text {Too large to display} \]
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\[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\int \frac {\coth ^{6}{\left (x \right )}}{a + b \operatorname {csch}{\left (x \right )}}\, dx \]
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Time = 0.28 (sec) , antiderivative size = 330, normalized size of antiderivative = 1.80 \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=-\frac {24 \, a^{3} + 56 \, a b^{2} - 3 \, {\left (4 \, a^{2} b + 9 \, b^{3}\right )} e^{\left (-x\right )} - 8 \, {\left (9 \, a^{3} + 19 \, a b^{2}\right )} e^{\left (-2 \, x\right )} + 3 \, {\left (4 \, a^{2} b + b^{3}\right )} e^{\left (-3 \, x\right )} + 24 \, {\left (3 \, a^{3} + 7 \, a b^{2}\right )} e^{\left (-4 \, x\right )} + 3 \, {\left (4 \, a^{2} b + b^{3}\right )} e^{\left (-5 \, x\right )} - 24 \, {\left (a^{3} + 3 \, a b^{2}\right )} e^{\left (-6 \, x\right )} - 3 \, {\left (4 \, a^{2} b + 9 \, b^{3}\right )} e^{\left (-7 \, x\right )}}{12 \, {\left (4 \, b^{4} e^{\left (-2 \, x\right )} - 6 \, b^{4} e^{\left (-4 \, x\right )} + 4 \, b^{4} e^{\left (-6 \, x\right )} - b^{4} e^{\left (-8 \, x\right )} - b^{4}\right )}} + \frac {x}{a} - \frac {{\left (8 \, a^{4} + 20 \, a^{2} b^{2} + 15 \, b^{4}\right )} \log \left (e^{\left (-x\right )} + 1\right )}{8 \, b^{5}} + \frac {{\left (8 \, a^{4} + 20 \, a^{2} b^{2} + 15 \, b^{4}\right )} \log \left (e^{\left (-x\right )} - 1\right )}{8 \, b^{5}} - \frac {{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} \log \left (\frac {a e^{\left (-x\right )} - b - \sqrt {a^{2} + b^{2}}}{a e^{\left (-x\right )} - b + \sqrt {a^{2} + b^{2}}}\right )}{\sqrt {a^{2} + b^{2}} a b^{5}} \]
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Time = 0.29 (sec) , antiderivative size = 305, normalized size of antiderivative = 1.67 \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\frac {x}{a} - \frac {{\left (8 \, a^{4} + 20 \, a^{2} b^{2} + 15 \, b^{4}\right )} \log \left (e^{x} + 1\right )}{8 \, b^{5}} + \frac {{\left (8 \, a^{4} + 20 \, a^{2} b^{2} + 15 \, b^{4}\right )} \log \left ({\left | e^{x} - 1 \right |}\right )}{8 \, b^{5}} - \frac {{\left (a^{6} + 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} + b^{6}\right )} \log \left (\frac {{\left | 2 \, a e^{x} + 2 \, b - 2 \, \sqrt {a^{2} + b^{2}} \right |}}{{\left | 2 \, a e^{x} + 2 \, b + 2 \, \sqrt {a^{2} + b^{2}} \right |}}\right )}{\sqrt {a^{2} + b^{2}} a b^{5}} - \frac {12 \, a^{2} b e^{\left (7 \, x\right )} + 27 \, b^{3} e^{\left (7 \, x\right )} - 24 \, a^{3} e^{\left (6 \, x\right )} - 72 \, a b^{2} e^{\left (6 \, x\right )} - 12 \, a^{2} b e^{\left (5 \, x\right )} - 3 \, b^{3} e^{\left (5 \, x\right )} + 72 \, a^{3} e^{\left (4 \, x\right )} + 168 \, a b^{2} e^{\left (4 \, x\right )} - 12 \, a^{2} b e^{\left (3 \, x\right )} - 3 \, b^{3} e^{\left (3 \, x\right )} - 72 \, a^{3} e^{\left (2 \, x\right )} - 152 \, a b^{2} e^{\left (2 \, x\right )} + 12 \, a^{2} b e^{x} + 27 \, b^{3} e^{x} + 24 \, a^{3} + 56 \, a b^{2}}{12 \, b^{4} {\left (e^{\left (2 \, x\right )} - 1\right )}^{4}} \]
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Time = 3.37 (sec) , antiderivative size = 543, normalized size of antiderivative = 2.97 \[ \int \frac {\coth ^6(x)}{a+b \text {csch}(x)} \, dx=\frac {\frac {8\,a}{3\,b^2}-\frac {6\,{\mathrm {e}}^x}{b}}{3\,{\mathrm {e}}^{2\,x}-3\,{\mathrm {e}}^{4\,x}+{\mathrm {e}}^{6\,x}-1}-\frac {\frac {{\mathrm {e}}^x\,\left (4\,a^2+9\,b^2\right )}{4\,b^3}-\frac {2\,\left (a^4+3\,a^2\,b^2\right )}{a\,b^4}}{{\mathrm {e}}^{2\,x}-1}+\frac {\frac {4\,a}{b^2}-\frac {{\mathrm {e}}^x\,\left (4\,a^2+13\,b^2\right )}{2\,b^3}}{{\mathrm {e}}^{4\,x}-2\,{\mathrm {e}}^{2\,x}+1}+\frac {x}{a}+\frac {\ln \left ({\mathrm {e}}^x-1\right )\,\left (8\,a^4+20\,a^2\,b^2+15\,b^4\right )}{8\,b^5}-\frac {\ln \left ({\mathrm {e}}^x+1\right )\,\left (8\,a^4+20\,a^2\,b^2+15\,b^4\right )}{8\,b^5}-\frac {4\,{\mathrm {e}}^x}{b\,\left (6\,{\mathrm {e}}^{4\,x}-4\,{\mathrm {e}}^{2\,x}-4\,{\mathrm {e}}^{6\,x}+{\mathrm {e}}^{8\,x}+1\right )}+\frac {\ln \left (a^3\,\sqrt {{\left (a^2+b^2\right )}^5}-2\,a^7\,b-2\,a\,b^7-6\,a^3\,b^5-6\,a^5\,b^3+a^8\,{\mathrm {e}}^x+4\,b^8\,{\mathrm {e}}^x+2\,a\,b^2\,\sqrt {{\left (a^2+b^2\right )}^5}-4\,b^3\,{\mathrm {e}}^x\,\sqrt {{\left (a^2+b^2\right )}^5}+13\,a^2\,b^6\,{\mathrm {e}}^x+15\,a^4\,b^4\,{\mathrm {e}}^x+7\,a^6\,b^2\,{\mathrm {e}}^x-3\,a^2\,b\,{\mathrm {e}}^x\,\sqrt {{\left (a^2+b^2\right )}^5}\right )\,\sqrt {{\left (a^2+b^2\right )}^5}}{a\,b^5}-\frac {\ln \left (a^8\,{\mathrm {e}}^x-2\,a^7\,b-a^3\,\sqrt {{\left (a^2+b^2\right )}^5}-6\,a^3\,b^5-6\,a^5\,b^3-2\,a\,b^7+4\,b^8\,{\mathrm {e}}^x-2\,a\,b^2\,\sqrt {{\left (a^2+b^2\right )}^5}+4\,b^3\,{\mathrm {e}}^x\,\sqrt {{\left (a^2+b^2\right )}^5}+13\,a^2\,b^6\,{\mathrm {e}}^x+15\,a^4\,b^4\,{\mathrm {e}}^x+7\,a^6\,b^2\,{\mathrm {e}}^x+3\,a^2\,b\,{\mathrm {e}}^x\,\sqrt {{\left (a^2+b^2\right )}^5}\right )\,\sqrt {{\left (a^2+b^2\right )}^5}}{a\,b^5} \]
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