1.

The Laplace Transform of x(t) formed by convolution operator is:x(t) = {t.u(t)} ⊗ {cos 2 πt.u(t)}

A. 1 / [s (s2 + 4π2)]
B. 2π / [s (s2 + 4π2)]
C. 1 / [s2 (s2 + 4π2)]
D. s3 / (s2 + 4π2)
Answer» B. 2π / [s (s2 + 4π2)]


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