試卷名稱:107年 - 107 國立中山大學_碩士班招生考試_電機系(甲、己組)、電波領域:工程數學甲#110523
年份:107年
科目:中山◆電機◆工程數學甲
9. Let f(z)=
, and C be the right-hand half of the circle|z|=2 form z = j2 to z =-j2. Compute the value of S. f(z)dz =a+ jB. Then which of the following statements is correct?
(A) a=0,-15<β<0
(B) a>0,0<β<15
(C)-12<a+β<l2
(D)-2<aβ<-12
(E) None of the above statements are correct