Integrand size = 18, antiderivative size = 110 \[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=-\frac {\sqrt {a+a \cosh (c+d x)}}{x}+\frac {1}{2} d \sqrt {a+a \cosh (c+d x)} \text {Chi}\left (\frac {d x}{2}\right ) \text {sech}\left (\frac {c}{2}+\frac {d x}{2}\right ) \sinh \left (\frac {c}{2}\right )+\frac {1}{2} d \cosh \left (\frac {c}{2}\right ) \sqrt {a+a \cosh (c+d x)} \text {sech}\left (\frac {c}{2}+\frac {d x}{2}\right ) \text {Shi}\left (\frac {d x}{2}\right ) \]
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Time = 0.11 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.278, Rules used = {3400, 3378, 3384, 3379, 3382} \[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\frac {1}{2} d \sinh \left (\frac {c}{2}\right ) \text {Chi}\left (\frac {d x}{2}\right ) \text {sech}\left (\frac {c}{2}+\frac {d x}{2}\right ) \sqrt {a \cosh (c+d x)+a}+\frac {1}{2} d \cosh \left (\frac {c}{2}\right ) \text {Shi}\left (\frac {d x}{2}\right ) \text {sech}\left (\frac {c}{2}+\frac {d x}{2}\right ) \sqrt {a \cosh (c+d x)+a}-\frac {\sqrt {a \cosh (c+d x)+a}}{x} \]
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 3400
Rubi steps \begin{align*} \text {integral}& = \left (\sqrt {a+a \cosh (c+d x)} \csc \left (\frac {1}{2} \left (i c+\frac {\pi }{2}\right )+\frac {\pi }{4}+\frac {i d x}{2}\right )\right ) \int \frac {\sin \left (\frac {1}{2} \left (i c+\frac {\pi }{2}\right )+\frac {\pi }{4}+\frac {i d x}{2}\right )}{x^2} \, dx \\ & = -\frac {\sqrt {a+a \cosh (c+d x)}}{x}+\frac {1}{2} \left (d \sqrt {a+a \cosh (c+d x)} \csc \left (\frac {1}{2} \left (i c+\frac {\pi }{2}\right )+\frac {\pi }{4}+\frac {i d x}{2}\right )\right ) \int \frac {\sinh \left (\frac {c}{2}+\frac {d x}{2}\right )}{x} \, dx \\ & = -\frac {\sqrt {a+a \cosh (c+d x)}}{x}+\frac {1}{2} \left (d \cosh \left (\frac {c}{2}\right ) \sqrt {a+a \cosh (c+d x)} \csc \left (\frac {1}{2} \left (i c+\frac {\pi }{2}\right )+\frac {\pi }{4}+\frac {i d x}{2}\right )\right ) \int \frac {\sinh \left (\frac {d x}{2}\right )}{x} \, dx+\frac {1}{2} \left (d \sqrt {a+a \cosh (c+d x)} \csc \left (\frac {1}{2} \left (i c+\frac {\pi }{2}\right )+\frac {\pi }{4}+\frac {i d x}{2}\right ) \sinh \left (\frac {c}{2}\right )\right ) \int \frac {\cosh \left (\frac {d x}{2}\right )}{x} \, dx \\ & = -\frac {\sqrt {a+a \cosh (c+d x)}}{x}+\frac {1}{2} d \sqrt {a+a \cosh (c+d x)} \text {Chi}\left (\frac {d x}{2}\right ) \text {sech}\left (\frac {c}{2}+\frac {d x}{2}\right ) \sinh \left (\frac {c}{2}\right )+\frac {1}{2} d \cosh \left (\frac {c}{2}\right ) \sqrt {a+a \cosh (c+d x)} \text {sech}\left (\frac {c}{2}+\frac {d x}{2}\right ) \text {Shi}\left (\frac {d x}{2}\right ) \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.68 \[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\frac {\sqrt {a (1+\cosh (c+d x))} \left (-2+d x \text {Chi}\left (\frac {d x}{2}\right ) \text {sech}\left (\frac {1}{2} (c+d x)\right ) \sinh \left (\frac {c}{2}\right )+d x \cosh \left (\frac {c}{2}\right ) \text {sech}\left (\frac {1}{2} (c+d x)\right ) \text {Shi}\left (\frac {d x}{2}\right )\right )}{2 x} \]
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\[\int \frac {\sqrt {a +a \cosh \left (d x +c \right )}}{x^{2}}d x\]
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Exception generated. \[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\text {Exception raised: TypeError} \]
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\[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\int \frac {\sqrt {a \left (\cosh {\left (c + d x \right )} + 1\right )}}{x^{2}}\, dx \]
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\[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\int { \frac {\sqrt {a \cosh \left (d x + c\right ) + a}}{x^{2}} \,d x } \]
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none
Time = 0.29 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.62 \[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\frac {\sqrt {2} {\left (\sqrt {a} d x {\rm Ei}\left (\frac {1}{2} \, d x\right ) e^{\left (\frac {1}{2} \, c\right )} - \sqrt {a} d x {\rm Ei}\left (-\frac {1}{2} \, d x\right ) e^{\left (-\frac {1}{2} \, c\right )} - 2 \, \sqrt {a} e^{\left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )} - 2 \, \sqrt {a} e^{\left (-\frac {1}{2} \, d x - \frac {1}{2} \, c\right )}\right )}}{4 \, x} \]
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Timed out. \[ \int \frac {\sqrt {a+a \cosh (c+d x)}}{x^2} \, dx=\int \frac {\sqrt {a+a\,\mathrm {cosh}\left (c+d\,x\right )}}{x^2} \,d x \]
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