1.

Given that X(s) is the Laplace transform of the signal cos 2t u (t). The signal X(3s) corresponds is _______________

A. cos(\(\frac{2}{3}\) t) u (t)
B. \(\frac{1}{3}\) cos(\(\frac{2}{3}\) t) u (t)
C. cos⁡6t u(t)
D. \(\frac{1}{3}\) cos⁡6t u(t)
Answer» C. cos⁡6t u(t)


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