Integrand size = 12, antiderivative size = 25 \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {1}{2} \cosh (a) \text {Chi}\left (b x^2\right )+\frac {1}{2} \sinh (a) \text {Shi}\left (b x^2\right ) \]
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Time = 0.03 (sec) , antiderivative size = 25, 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 = {5427, 5425, 5424} \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {1}{2} \cosh (a) \text {Chi}\left (b x^2\right )+\frac {1}{2} \sinh (a) \text {Shi}\left (b x^2\right ) \]
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Rule 5424
Rule 5425
Rule 5427
Rubi steps \begin{align*} \text {integral}& = \cosh (a) \int \frac {\cosh \left (b x^2\right )}{x} \, dx+\sinh (a) \int \frac {\sinh \left (b x^2\right )}{x} \, dx \\ & = \frac {1}{2} \cosh (a) \text {Chi}\left (b x^2\right )+\frac {1}{2} \sinh (a) \text {Shi}\left (b x^2\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92 \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {1}{2} \left (\cosh (a) \text {Chi}\left (b x^2\right )+\sinh (a) \text {Shi}\left (b x^2\right )\right ) \]
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Time = 0.05 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.32
method | result | size |
risch | \(-\frac {{\mathrm e}^{2 a} {\mathrm e}^{-a} \operatorname {Ei}_{1}\left (-b \,x^{2}\right )}{4}-\frac {{\mathrm e}^{-a} \operatorname {Ei}_{1}\left (b \,x^{2}\right )}{4}\) | \(33\) |
meijerg | \(\frac {\cosh \left (a \right ) \sqrt {\pi }\, \left (\frac {2 \gamma +4 \ln \left (x \right )+2 \ln \left (i b \right )}{\sqrt {\pi }}+\frac {2 \,\operatorname {Chi}\left (b \,x^{2}\right )-2 \ln \left (b \,x^{2}\right )-2 \gamma }{\sqrt {\pi }}\right )}{4}+\frac {\operatorname {Shi}\left (b \,x^{2}\right ) \sinh \left (a \right )}{2}\) | \(62\) |
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Time = 0.24 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.56 \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {1}{4} \, {\left ({\rm Ei}\left (b x^{2}\right ) + {\rm Ei}\left (-b x^{2}\right )\right )} \cosh \left (a\right ) + \frac {1}{4} \, {\left ({\rm Ei}\left (b x^{2}\right ) - {\rm Ei}\left (-b x^{2}\right )\right )} \sinh \left (a\right ) \]
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\[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\int \frac {\cosh {\left (a + b x^{2} \right )}}{x}\, dx \]
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Time = 0.25 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96 \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {1}{4} \, {\rm Ei}\left (-b x^{2}\right ) e^{\left (-a\right )} + \frac {1}{4} \, {\rm Ei}\left (b x^{2}\right ) e^{a} \]
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Time = 0.25 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.96 \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {1}{4} \, {\rm Ei}\left (-b x^{2}\right ) e^{\left (-a\right )} + \frac {1}{4} \, {\rm Ei}\left (b x^{2}\right ) e^{a} \]
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Timed out. \[ \int \frac {\cosh \left (a+b x^2\right )}{x} \, dx=\frac {\mathrm {cosh}\left (a\right )\,\mathrm {coshint}\left (b\,x^2\right )}{2}+\frac {\mathrm {sinh}\left (a\right )\,\mathrm {sinhint}\left (b\,x^2\right )}{2} \]
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