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試卷名稱：106年 - 106 國立中山大學_碩士班招生考試_電機系(乙組)：工程數學乙#125249
年份：106年
科目：中山◆電機◆工程數學乙
5. Consider a system whose dynamics is governed by a linear constant-coefficient ODE. Suppose the impulse response of this system is 
. Which of the following is true?
(A) the system is 
order
(B) the system is 
order
(C) the characteristic equation of the system has a pair of complex roots
(D) one root of the characteristic equation is less than -5
(E) response to a step function does NOT converge to a constant value
