4. 若將初值問題(initial- value problem) y′′ + y = cost , y′(0) =1, y(0) = 0透過拉氏轉換 (Laplace transform)後,可求得 5bd1233e41f97.jpg= ?
(A) 5bd122ce1e657.jpg
(B) 5bd122f416b55.jpg
(C) 5bd122fbbcbe1.jpg
(D) 5bd12303b2838.jpg

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統計: A(0), B(2), C(0), D(2), E(0) #1889425