11. 假設一拉氏函數為F(s)=$\frac{15s^2 + 56s + 47}{(s + 1)(s + 2)(s + 3)}$,請利用反拉氏轉換,試求݂f(t)為何?
(A) 3݁e-t+5݁e-2t+7e-3t
(B)1e-2t+2e-3t+3e-4t
(C)3e-t+5e-3t+7e-5t
(D)1e-t+2e-3t+3e-5t
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統計: A(70), B(6), C(6), D(2), E(0) #3348162
統計: A(70), B(6), C(6), D(2), E(0) #3348162