試卷名稱:106年 - 106 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#125264
年份:106年
科目:中山◆電機◆工程數學甲
15. Let f(z) = z⁵ + 2z³ + 3z² + 2, and let the number of zeros of f(z), counting multiplicities, inside the circle | z |= 2 be α. Which of the following statements is correct?
(A) α = 3
(B) α = 5
(C) α is an even number
(D) α = 1
(E) None of the above statements are correct.