1.

Given that X(s) is the Laplace transform of the signal cos 2t u (t). The time signal corresponding to (s+1) X(s) is _________________

A. (cos 2t 2 sin 2t) u (t)
B. (cos 2t + ( frac{sin u20612t}{2} )) u (t)
C. (cos 2t + 2 sin 2t) u (t)
D. (cos 2t ( frac{sin u20612t}{2} )) u (t)
Answer» B. (cos 2t + ( frac{sin u20612t}{2} )) u (t)


Discussion

No Comment Found