Integrand size = 13, antiderivative size = 46 \[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=-\frac {\text {Chi}(2 a+2 b x)}{2 b}+\frac {\log (a+b x)}{2 b}+\frac {\sinh (a+b x) \text {Shi}(a+b x)}{b} \]
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Time = 0.06 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {6681, 3393, 3382} \[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=-\frac {\text {Chi}(2 a+2 b x)}{2 b}+\frac {\text {Shi}(a+b x) \sinh (a+b x)}{b}+\frac {\log (a+b x)}{2 b} \]
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Rule 3382
Rule 3393
Rule 6681
Rubi steps \begin{align*} \text {integral}& = \frac {\sinh (a+b x) \text {Shi}(a+b x)}{b}-\int \frac {\sinh ^2(a+b x)}{a+b x} \, dx \\ & = \frac {\sinh (a+b x) \text {Shi}(a+b x)}{b}+\int \left (\frac {1}{2 (a+b x)}-\frac {\cosh (2 a+2 b x)}{2 (a+b x)}\right ) \, dx \\ & = \frac {\log (a+b x)}{2 b}+\frac {\sinh (a+b x) \text {Shi}(a+b x)}{b}-\frac {1}{2} \int \frac {\cosh (2 a+2 b x)}{a+b x} \, dx \\ & = -\frac {\text {Chi}(2 a+2 b x)}{2 b}+\frac {\log (a+b x)}{2 b}+\frac {\sinh (a+b x) \text {Shi}(a+b x)}{b} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.98 \[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=-\frac {\text {Chi}(2 (a+b x))}{2 b}+\frac {\log (a+b x)}{2 b}+\frac {\sinh (a+b x) \text {Shi}(a+b x)}{b} \]
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Time = 0.88 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.83
method | result | size |
derivativedivides | \(\frac {\operatorname {Shi}\left (b x +a \right ) \sinh \left (b x +a \right )+\frac {\ln \left (b x +a \right )}{2}-\frac {\operatorname {Chi}\left (2 b x +2 a \right )}{2}}{b}\) | \(38\) |
default | \(\frac {\operatorname {Shi}\left (b x +a \right ) \sinh \left (b x +a \right )+\frac {\ln \left (b x +a \right )}{2}-\frac {\operatorname {Chi}\left (2 b x +2 a \right )}{2}}{b}\) | \(38\) |
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\[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=\int { {\rm Shi}\left (b x + a\right ) \cosh \left (b x + a\right ) \,d x } \]
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\[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=\int \cosh {\left (a + b x \right )} \operatorname {Shi}{\left (a + b x \right )}\, dx \]
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\[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=\int { {\rm Shi}\left (b x + a\right ) \cosh \left (b x + a\right ) \,d x } \]
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\[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=\int { {\rm Shi}\left (b x + a\right ) \cosh \left (b x + a\right ) \,d x } \]
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Timed out. \[ \int \cosh (a+b x) \text {Shi}(a+b x) \, dx=\int \mathrm {sinhint}\left (a+b\,x\right )\,\mathrm {cosh}\left (a+b\,x\right ) \,d x \]
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