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
18. Consider the differential equation
+ kx(t) = u(t). Suppose
sin(2t) is a solution when u(t) = 4 cos(2t). Which of the followings are true?
(A) m = 1
(B) b = 0
(C) k = 8
(D) 2tsin(t) is a solution when u(t) = 8cos(2t)
(E)
)sin(2t - 1) is a solution when u(t) = 4cos(2t - 1)