35.承上題,求v0(t)的穩態解: 
(A) v0 (t) = 3.57 cos(3t +157°) V
(B) v0 (t) = 3.17 cos(3t +147°) V
(C) v0(t) = 2.77 cos(3t +137°) V
(D) v0 (t) = 2.37 cos(3t +127°) V

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