题目
oint_(|z-i|=3/2) (e^z)/(z^2+4) dz = ( ).A. -(pi e^-2i)/(2)B. -pi e^iC. pi e^iD. (pi e^2i)/(2)
$\oint_{|z-i|=3/2} \frac{e^z}{z^2+4} dz = ($ $)$.
A. $-\frac{\pi e^{-2i}}{2}$
B. $-\pi e^i$
C. $\pi e^i$
D. $\frac{\pi e^{2i}}{2}$
题目解答
答案
D. $\frac{\pi e^{2i}}{2}$