Integrand size = 20, antiderivative size = 47 \[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\frac {4}{15 \cosh ^{\frac {3}{2}}(x)}-\frac {12 \sqrt {\cosh (x)}}{5}+\frac {2 x \sinh (x)}{5 \cosh ^{\frac {5}{2}}(x)}+\frac {6 x \sinh (x)}{5 \sqrt {\cosh (x)}} \]
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Time = 0.06 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {3396} \[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\frac {4}{15 \cosh ^{\frac {3}{2}}(x)}-\frac {12 \sqrt {\cosh (x)}}{5}+\frac {2 x \sinh (x)}{5 \cosh ^{\frac {5}{2}}(x)}+\frac {6 x \sinh (x)}{5 \sqrt {\cosh (x)}} \]
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Rule 3396
Rubi steps \begin{align*} \text {integral}& = \frac {3}{5} \int x \sqrt {\cosh (x)} \, dx+\int \frac {x}{\cosh ^{\frac {7}{2}}(x)} \, dx \\ & = \frac {4}{15 \cosh ^{\frac {3}{2}}(x)}+\frac {2 x \sinh (x)}{5 \cosh ^{\frac {5}{2}}(x)}+\frac {3}{5} \int \frac {x}{\cosh ^{\frac {3}{2}}(x)} \, dx+\frac {3}{5} \int x \sqrt {\cosh (x)} \, dx \\ & = \frac {4}{15 \cosh ^{\frac {3}{2}}(x)}-\frac {12 \sqrt {\cosh (x)}}{5}+\frac {2 x \sinh (x)}{5 \cosh ^{\frac {5}{2}}(x)}+\frac {6 x \sinh (x)}{5 \sqrt {\cosh (x)}} \\ \end{align*}
Time = 0.41 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.36 \[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\frac {1}{5} \sqrt {\cosh (x)} \left (-\frac {12 \sinh ^2(x)}{\sqrt {-1+\cosh (x)} (1+\cosh (x))^{3/2} \sqrt {\tanh ^2\left (\frac {x}{2}\right )}}+6 x \tanh (x)+\text {sech}^2(x) \left (\frac {4}{3}+2 x \tanh (x)\right )\right ) \]
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\[\int \left (\frac {x}{\cosh \left (x \right )^{\frac {7}{2}}}+\frac {3 x \sqrt {\cosh \left (x \right )}}{5}\right )d x\]
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Exception generated. \[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\text {Timed out} \]
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\[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\int { \frac {3}{5} \, x \sqrt {\cosh \left (x\right )} + \frac {x}{\cosh \left (x\right )^{\frac {7}{2}}} \,d x } \]
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\[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\int { \frac {3}{5} \, x \sqrt {\cosh \left (x\right )} + \frac {x}{\cosh \left (x\right )^{\frac {7}{2}}} \,d x } \]
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Time = 1.91 (sec) , antiderivative size = 110, normalized size of antiderivative = 2.34 \[ \int \left (\frac {x}{\cosh ^{\frac {7}{2}}(x)}+\frac {3}{5} x \sqrt {\cosh (x)}\right ) \, dx=\frac {{\mathrm {e}}^{2\,x}\,\left (\frac {8\,x}{5}+\frac {16}{15}\right )\,\sqrt {\frac {{\mathrm {e}}^{-x}}{2}+\frac {{\mathrm {e}}^x}{2}}}{{\left ({\mathrm {e}}^{2\,x}+1\right )}^2}-\left (\frac {6\,x}{5}+\frac {12}{5}\right )\,\sqrt {\frac {{\mathrm {e}}^{-x}}{2}+\frac {{\mathrm {e}}^x}{2}}+\frac {12\,x\,{\mathrm {e}}^{2\,x}\,\sqrt {\frac {{\mathrm {e}}^{-x}}{2}+\frac {{\mathrm {e}}^x}{2}}}{5\,\left ({\mathrm {e}}^{2\,x}+1\right )}-\frac {16\,x\,{\mathrm {e}}^{2\,x}\,\sqrt {\frac {{\mathrm {e}}^{-x}}{2}+\frac {{\mathrm {e}}^x}{2}}}{5\,{\left ({\mathrm {e}}^{2\,x}+1\right )}^3} \]
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