Integrand size = 14, antiderivative size = 55 \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\frac {3}{8} \cosh (a) \text {Chi}\left (b x^2\right )+\frac {1}{8} \cosh (3 a) \text {Chi}\left (3 b x^2\right )+\frac {3}{8} \sinh (a) \text {Shi}\left (b x^2\right )+\frac {1}{8} \sinh (3 a) \text {Shi}\left (3 b x^2\right ) \]
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Time = 0.07 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {5449, 5427, 5425, 5424} \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\frac {3}{8} \cosh (a) \text {Chi}\left (b x^2\right )+\frac {1}{8} \cosh (3 a) \text {Chi}\left (3 b x^2\right )+\frac {3}{8} \sinh (a) \text {Shi}\left (b x^2\right )+\frac {1}{8} \sinh (3 a) \text {Shi}\left (3 b x^2\right ) \]
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Rule 5424
Rule 5425
Rule 5427
Rule 5449
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {3 \cosh \left (a+b x^2\right )}{4 x}+\frac {\cosh \left (3 a+3 b x^2\right )}{4 x}\right ) \, dx \\ & = \frac {1}{4} \int \frac {\cosh \left (3 a+3 b x^2\right )}{x} \, dx+\frac {3}{4} \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx \\ & = \frac {1}{4} (3 \cosh (a)) \int \frac {\cosh \left (b x^2\right )}{x} \, dx+\frac {1}{4} \cosh (3 a) \int \frac {\cosh \left (3 b x^2\right )}{x} \, dx+\frac {1}{4} (3 \sinh (a)) \int \frac {\sinh \left (b x^2\right )}{x} \, dx+\frac {1}{4} \sinh (3 a) \int \frac {\sinh \left (3 b x^2\right )}{x} \, dx \\ & = \frac {3}{8} \cosh (a) \text {Chi}\left (b x^2\right )+\frac {1}{8} \cosh (3 a) \text {Chi}\left (3 b x^2\right )+\frac {3}{8} \sinh (a) \text {Shi}\left (b x^2\right )+\frac {1}{8} \sinh (3 a) \text {Shi}\left (3 b x^2\right ) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.89 \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\frac {1}{8} \left (3 \cosh (a) \text {Chi}\left (b x^2\right )+\cosh (3 a) \text {Chi}\left (3 b x^2\right )+3 \sinh (a) \text {Shi}\left (b x^2\right )+\sinh (3 a) \text {Shi}\left (3 b x^2\right )\right ) \]
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Time = 0.17 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.25
method | result | size |
risch | \(-\frac {{\mathrm e}^{6 a} {\mathrm e}^{-3 a} \operatorname {Ei}_{1}\left (-3 b \,x^{2}\right )}{16}-\frac {3 \,{\mathrm e}^{4 a} {\mathrm e}^{-3 a} \operatorname {Ei}_{1}\left (-b \,x^{2}\right )}{16}-\frac {3 \,{\mathrm e}^{2 a} {\mathrm e}^{-3 a} \operatorname {Ei}_{1}\left (b \,x^{2}\right )}{16}-\frac {{\mathrm e}^{-3 a} \operatorname {Ei}_{1}\left (3 b \,x^{2}\right )}{16}\) | \(69\) |
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Time = 0.25 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.51 \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\frac {1}{16} \, {\left ({\rm Ei}\left (3 \, b x^{2}\right ) + {\rm Ei}\left (-3 \, b x^{2}\right )\right )} \cosh \left (3 \, a\right ) + \frac {3}{16} \, {\left ({\rm Ei}\left (b x^{2}\right ) + {\rm Ei}\left (-b x^{2}\right )\right )} \cosh \left (a\right ) + \frac {1}{16} \, {\left ({\rm Ei}\left (3 \, b x^{2}\right ) - {\rm Ei}\left (-3 \, b x^{2}\right )\right )} \sinh \left (3 \, a\right ) + \frac {3}{16} \, {\left ({\rm Ei}\left (b x^{2}\right ) - {\rm Ei}\left (-b x^{2}\right )\right )} \sinh \left (a\right ) \]
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\[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\int \frac {\cosh ^{3}{\left (a + b x^{2} \right )}}{x}\, dx \]
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Time = 0.26 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.91 \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\frac {1}{16} \, {\rm Ei}\left (3 \, b x^{2}\right ) e^{\left (3 \, a\right )} + \frac {3}{16} \, {\rm Ei}\left (-b x^{2}\right ) e^{\left (-a\right )} + \frac {1}{16} \, {\rm Ei}\left (-3 \, b x^{2}\right ) e^{\left (-3 \, a\right )} + \frac {3}{16} \, {\rm Ei}\left (b x^{2}\right ) e^{a} \]
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Time = 0.26 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.91 \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\frac {1}{16} \, {\rm Ei}\left (3 \, b x^{2}\right ) e^{\left (3 \, a\right )} + \frac {3}{16} \, {\rm Ei}\left (-b x^{2}\right ) e^{\left (-a\right )} + \frac {1}{16} \, {\rm Ei}\left (-3 \, b x^{2}\right ) e^{\left (-3 \, a\right )} + \frac {3}{16} \, {\rm Ei}\left (b x^{2}\right ) e^{a} \]
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Timed out. \[ \int \frac {\cosh ^3\left (a+b x^2\right )}{x} \, dx=\int \frac {{\mathrm {cosh}\left (b\,x^2+a\right )}^3}{x} \,d x \]
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