Integrand size = 10, antiderivative size = 74 \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=\frac {\coth (x)}{7 \left (a \text {csch}^2(x)\right )^{7/2}}-\frac {6 \coth (x)}{35 a \left (a \text {csch}^2(x)\right )^{5/2}}+\frac {8 \coth (x)}{35 a^2 \left (a \text {csch}^2(x)\right )^{3/2}}-\frac {16 \coth (x)}{35 a^3 \sqrt {a \text {csch}^2(x)}} \]
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Time = 0.03 (sec) , antiderivative size = 74, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {4207, 198, 197} \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=-\frac {16 \coth (x)}{35 a^3 \sqrt {a \text {csch}^2(x)}}+\frac {8 \coth (x)}{35 a^2 \left (a \text {csch}^2(x)\right )^{3/2}}-\frac {6 \coth (x)}{35 a \left (a \text {csch}^2(x)\right )^{5/2}}+\frac {\coth (x)}{7 \left (a \text {csch}^2(x)\right )^{7/2}} \]
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Rule 197
Rule 198
Rule 4207
Rubi steps \begin{align*} \text {integral}& = -\left (a \text {Subst}\left (\int \frac {1}{\left (-a+a x^2\right )^{9/2}} \, dx,x,\coth (x)\right )\right ) \\ & = \frac {\coth (x)}{7 \left (a \text {csch}^2(x)\right )^{7/2}}+\frac {6}{7} \text {Subst}\left (\int \frac {1}{\left (-a+a x^2\right )^{7/2}} \, dx,x,\coth (x)\right ) \\ & = \frac {\coth (x)}{7 \left (a \text {csch}^2(x)\right )^{7/2}}-\frac {6 \coth (x)}{35 a \left (a \text {csch}^2(x)\right )^{5/2}}-\frac {24 \text {Subst}\left (\int \frac {1}{\left (-a+a x^2\right )^{5/2}} \, dx,x,\coth (x)\right )}{35 a} \\ & = \frac {\coth (x)}{7 \left (a \text {csch}^2(x)\right )^{7/2}}-\frac {6 \coth (x)}{35 a \left (a \text {csch}^2(x)\right )^{5/2}}+\frac {8 \coth (x)}{35 a^2 \left (a \text {csch}^2(x)\right )^{3/2}}+\frac {16 \text {Subst}\left (\int \frac {1}{\left (-a+a x^2\right )^{3/2}} \, dx,x,\coth (x)\right )}{35 a^2} \\ & = \frac {\coth (x)}{7 \left (a \text {csch}^2(x)\right )^{7/2}}-\frac {6 \coth (x)}{35 a \left (a \text {csch}^2(x)\right )^{5/2}}+\frac {8 \coth (x)}{35 a^2 \left (a \text {csch}^2(x)\right )^{3/2}}-\frac {16 \coth (x)}{35 a^3 \sqrt {a \text {csch}^2(x)}} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.57 \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=\frac {(-1225 \cosh (x)+245 \cosh (3 x)-49 \cosh (5 x)+5 \cosh (7 x)) \sqrt {a \text {csch}^2(x)} \sinh (x)}{2240 a^4} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(261\) vs. \(2(58)=116\).
Time = 0.15 (sec) , antiderivative size = 262, normalized size of antiderivative = 3.54
method | result | size |
risch | \(\frac {{\mathrm e}^{8 x}}{896 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}-\frac {7 \,{\mathrm e}^{6 x}}{640 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}+\frac {7 \,{\mathrm e}^{4 x}}{128 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}-\frac {35 \,{\mathrm e}^{2 x}}{128 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}-\frac {35}{128 \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}\, \left ({\mathrm e}^{2 x}-1\right ) a^{3}}+\frac {7 \,{\mathrm e}^{-2 x}}{128 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}-\frac {7 \,{\mathrm e}^{-4 x}}{640 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}+\frac {{\mathrm e}^{-6 x}}{896 a^{3} \left ({\mathrm e}^{2 x}-1\right ) \sqrt {\frac {a \,{\mathrm e}^{2 x}}{\left ({\mathrm e}^{2 x}-1\right )^{2}}}}\) | \(262\) |
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Leaf count of result is larger than twice the leaf count of optimal. 984 vs. \(2 (58) = 116\).
Time = 0.28 (sec) , antiderivative size = 984, normalized size of antiderivative = 13.30 \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=\text {Too large to display} \]
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\[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=\int \frac {1}{\left (a \operatorname {csch}^{2}{\left (x \right )}\right )^{\frac {7}{2}}}\, dx \]
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Time = 0.27 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.96 \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=-\frac {e^{\left (7 \, x\right )}}{896 \, a^{\frac {7}{2}}} + \frac {7 \, e^{\left (5 \, x\right )}}{640 \, a^{\frac {7}{2}}} - \frac {7 \, e^{\left (3 \, x\right )}}{128 \, a^{\frac {7}{2}}} + \frac {35 \, e^{\left (-x\right )}}{128 \, a^{\frac {7}{2}}} - \frac {7 \, e^{\left (-3 \, x\right )}}{128 \, a^{\frac {7}{2}}} + \frac {7 \, e^{\left (-5 \, x\right )}}{640 \, a^{\frac {7}{2}}} - \frac {e^{\left (-7 \, x\right )}}{896 \, a^{\frac {7}{2}}} + \frac {35 \, e^{x}}{128 \, a^{\frac {7}{2}}} \]
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Time = 0.27 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.88 \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=-\frac {{\left (1225 \, e^{\left (6 \, x\right )} - 245 \, e^{\left (4 \, x\right )} + 49 \, e^{\left (2 \, x\right )} - 5\right )} e^{\left (-7 \, x\right )} - 5 \, e^{\left (7 \, x\right )} + 49 \, e^{\left (5 \, x\right )} - 245 \, e^{\left (3 \, x\right )} + 1225 \, e^{x}}{4480 \, a^{\frac {7}{2}} \mathrm {sgn}\left (e^{\left (3 \, x\right )} - e^{x}\right )} \]
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Timed out. \[ \int \frac {1}{\left (a \text {csch}^2(x)\right )^{7/2}} \, dx=\int \frac {1}{{\left (\frac {a}{{\mathrm {sinh}\left (x\right )}^2}\right )}^{7/2}} \,d x \]
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