what is the antiderivative of e^(r/2)?

[maeveoneill]

what is the antiderivative of e^(r/2)?


when using integration by parts for the integral of re^(r/2) would u=r and dv= e^(r/2) dr??

thanks agian!

 

[galactus]

Let $\displaystyle u=\frac{r}{2}, \;\ du=\frac{dr}{2}, \;\ 2du=dr$