7. 求phptjSZsE.png的逆拉普拉斯轉換為何?  
(A) —3e–3t + 2e–4t
(B) —2e–3t + 3e–4t
(C) 2e–3t — 3e–4t
(D) 3e–3t — 2e–4t

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統計: A(3), B(176), C(19), D(15), E(0) #1540123

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#4366230

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