##### 28. The unilateral Laplace transform of f(t) i...

28. The unilateral Laplace transform of f(t) is $1\over s^2+s+1$ .Which one of the following is the
unilateral Laplace transform of g(t) = t. f(t)?

(A) $-s\over {s^2+s+1}^2$

(B) $-(2s+1)\over {s^2+s+1}^2$

(C) $S\over {s^2+s+1}^2$

(D) $2S+1\over {s^2+s+1}^2$

Hint:

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