Quote:
Originally Posted by skinnay
im trying to integrate
S re^(r/2) dr
so i go
[u=r dv=e^(r/2)dr]
[du=dr v=e^(r/2) ]
S re^(r/2) dr = re^(r/2) - S e^(r/2)dr
S re^(r/2) dr = re^(r/2) - e^(r/2)
however the answer i should get is
2(r-2)e^(r/2)
i dont get it
|
Your task is
http://www.sosmath.com/tables/integr...7/integ27.html under 2.
Other then that, your error is dv=e^(r/2)dr => v=e^(r/2)
