試題詳解

十九、Continued from Problem 十i. The second order differential equation can be alternatively
solved by using Laplace transform. Assuming x(0) = 0 and fo = 1, which of
the following staterents is/are true about the values of x(t) and its unilateral Laplace
transform X(s) = ?
(A) x'(0) = 1.

(B)x(1)=1.

(C) X(1) ＜1.

(D) Values of X(s) exists for all s ＞ -1.

(E) None of the above are true.