Integrand size = 22, antiderivative size = 23 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i \log (i-\sinh (c+d x))}{a d} \]
[Out]
Time = 0.02 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {2746, 31} \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i \log (-\sinh (c+d x)+i)}{a d} \]
[In]
[Out]
Rule 31
Rule 2746
Rubi steps \begin{align*} \text {integral}& = -\frac {i \text {Subst}\left (\int \frac {1}{a+x} \, dx,x,i a \sinh (c+d x)\right )}{a d} \\ & = -\frac {i \log (i-\sinh (c+d x))}{a d} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i \log (i-\sinh (c+d x))}{a d} \]
[In]
[Out]
Time = 0.96 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.65
method | result | size |
risch | \(\frac {i x}{a}+\frac {2 i c}{a d}-\frac {2 i \ln \left ({\mathrm e}^{d x +c}-i\right )}{a d}\) | \(38\) |
derivativedivides | \(-\frac {i \ln \left (a^{2} \sinh \left (d x +c \right )^{2}+a^{2}\right )}{2 d a}+\frac {\arctan \left (\sinh \left (d x +c \right )\right )}{a d}\) | \(42\) |
default | \(-\frac {i \ln \left (a^{2} \sinh \left (d x +c \right )^{2}+a^{2}\right )}{2 d a}+\frac {\arctan \left (\sinh \left (d x +c \right )\right )}{a d}\) | \(42\) |
[In]
[Out]
none
Time = 0.24 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {i \, d x - 2 i \, \log \left (e^{\left (d x + c\right )} - i\right )}{a d} \]
[In]
[Out]
Time = 0.10 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=\frac {i x}{a} - \frac {2 i \log {\left (e^{d x} - i e^{- c} \right )}}{a d} \]
[In]
[Out]
none
Time = 0.19 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {i \, \log \left (i \, a \sinh \left (d x + c\right ) + a\right )}{a d} \]
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.30 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {-\frac {i \, {\left (d x + c\right )}}{a} + \frac {2 i \, \log \left (e^{\left (d x + c\right )} - i\right )}{a}}{d} \]
[In]
[Out]
Time = 0.97 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {\cosh (c+d x)}{a+i a \sinh (c+d x)} \, dx=-\frac {\ln \left (\mathrm {sinh}\left (c+d\,x\right )-\mathrm {i}\right )\,1{}\mathrm {i}}{a\,d} \]
[In]
[Out]