Integrand size = 17, antiderivative size = 41 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=-\frac {b \cosh (c+d x)}{d^2}+a \cosh (c) \text {Chi}(d x)+\frac {b x \sinh (c+d x)}{d}+a \sinh (c) \text {Shi}(d x) \]
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Time = 0.08 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.353, Rules used = {5395, 3384, 3379, 3382, 3377, 2718} \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=a \cosh (c) \text {Chi}(d x)+a \sinh (c) \text {Shi}(d x)-\frac {b \cosh (c+d x)}{d^2}+\frac {b x \sinh (c+d x)}{d} \]
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Rule 2718
Rule 3377
Rule 3379
Rule 3382
Rule 3384
Rule 5395
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a \cosh (c+d x)}{x}+b x \cosh (c+d x)\right ) \, dx \\ & = a \int \frac {\cosh (c+d x)}{x} \, dx+b \int x \cosh (c+d x) \, dx \\ & = \frac {b x \sinh (c+d x)}{d}-\frac {b \int \sinh (c+d x) \, dx}{d}+(a \cosh (c)) \int \frac {\cosh (d x)}{x} \, dx+(a \sinh (c)) \int \frac {\sinh (d x)}{x} \, dx \\ & = -\frac {b \cosh (c+d x)}{d^2}+a \cosh (c) \text {Chi}(d x)+\frac {b x \sinh (c+d x)}{d}+a \sinh (c) \text {Shi}(d x) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.34 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=a \cosh (c) \text {Chi}(d x)+\frac {b \cosh (d x) (-\cosh (c)+d x \sinh (c))}{d^2}+\frac {b (d x \cosh (c)-\sinh (c)) \sinh (d x)}{d^2}+a \sinh (c) \text {Shi}(d x) \]
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Time = 0.08 (sec) , antiderivative size = 81, normalized size of antiderivative = 1.98
method | result | size |
risch | \(-\frac {a \,{\mathrm e}^{-c} \operatorname {Ei}_{1}\left (d x \right )}{2}-\frac {a \,{\mathrm e}^{c} \operatorname {Ei}_{1}\left (-d x \right )}{2}-\frac {{\mathrm e}^{-d x -c} b x}{2 d}+\frac {{\mathrm e}^{d x +c} b x}{2 d}-\frac {{\mathrm e}^{-d x -c} b}{2 d^{2}}-\frac {{\mathrm e}^{d x +c} b}{2 d^{2}}\) | \(81\) |
meijerg | \(-\frac {2 b \cosh \left (c \right ) \sqrt {\pi }\, \left (-\frac {1}{2 \sqrt {\pi }}+\frac {\cosh \left (d x \right )}{2 \sqrt {\pi }}-\frac {d x \sinh \left (d x \right )}{2 \sqrt {\pi }}\right )}{d^{2}}+\frac {b \sinh \left (c \right ) \left (\cosh \left (d x \right ) x d -\sinh \left (d x \right )\right )}{d^{2}}+\frac {a \cosh \left (c \right ) \sqrt {\pi }\, \left (\frac {2 \gamma +2 \ln \left (x \right )+2 \ln \left (i d \right )}{\sqrt {\pi }}+\frac {2 \,\operatorname {Chi}\left (d x \right )-2 \ln \left (d x \right )-2 \gamma }{\sqrt {\pi }}\right )}{2}+a \,\operatorname {Shi}\left (d x \right ) \sinh \left (c \right )\) | \(115\) |
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Time = 0.25 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.78 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=\frac {2 \, b d x \sinh \left (d x + c\right ) - 2 \, b \cosh \left (d x + c\right ) + {\left (a d^{2} {\rm Ei}\left (d x\right ) + a d^{2} {\rm Ei}\left (-d x\right )\right )} \cosh \left (c\right ) + {\left (a d^{2} {\rm Ei}\left (d x\right ) - a d^{2} {\rm Ei}\left (-d x\right )\right )} \sinh \left (c\right )}{2 \, d^{2}} \]
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Time = 1.65 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.20 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=a \sinh {\left (c \right )} \operatorname {Shi}{\left (d x \right )} + a \cosh {\left (c \right )} \operatorname {Chi}\left (d x\right ) + b \left (\begin {cases} \frac {x \sinh {\left (c + d x \right )}}{d} - \frac {\cosh {\left (c + d x \right )}}{d^{2}} & \text {for}\: d \neq 0 \\\frac {x^{2} \cosh {\left (c \right )}}{2} & \text {otherwise} \end {cases}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 122 vs. \(2 (41) = 82\).
Time = 0.23 (sec) , antiderivative size = 122, normalized size of antiderivative = 2.98 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=-\frac {1}{4} \, {\left (b {\left (\frac {{\left (d^{2} x^{2} e^{c} - 2 \, d x e^{c} + 2 \, e^{c}\right )} e^{\left (d x\right )}}{d^{3}} + \frac {{\left (d^{2} x^{2} + 2 \, d x + 2\right )} e^{\left (-d x - c\right )}}{d^{3}}\right )} + \frac {2 \, a \cosh \left (d x + c\right ) \log \left (x^{2}\right )}{d} - \frac {2 \, {\left ({\rm Ei}\left (-d x\right ) e^{\left (-c\right )} + {\rm Ei}\left (d x\right ) e^{c}\right )} a}{d}\right )} d + \frac {1}{2} \, {\left (b x^{2} + a \log \left (x^{2}\right )\right )} \cosh \left (d x + c\right ) \]
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Time = 0.27 (sec) , antiderivative size = 76, normalized size of antiderivative = 1.85 \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=\frac {a d^{2} {\rm Ei}\left (-d x\right ) e^{\left (-c\right )} + a d^{2} {\rm Ei}\left (d x\right ) e^{c} + b d x e^{\left (d x + c\right )} - b d x e^{\left (-d x - c\right )} - b e^{\left (d x + c\right )} - b e^{\left (-d x - c\right )}}{2 \, d^{2}} \]
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Timed out. \[ \int \frac {\left (a+b x^2\right ) \cosh (c+d x)}{x} \, dx=a\,\mathrm {coshint}\left (d\,x\right )\,\mathrm {cosh}\left (c\right )+a\,\mathrm {sinhint}\left (d\,x\right )\,\mathrm {sinh}\left (c\right )-\frac {b\,\left (\mathrm {cosh}\left (c+d\,x\right )-d\,x\,\mathrm {sinh}\left (c+d\,x\right )\right )}{d^2} \]
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