1.

Find the inverse Laplace transform of X(s) = \(\frac{s}{(s^2+a^2)^2}\).

A. \(\frac{1}{a}\) t sin⁡at
B. \(\frac{1}{2a}\) t sin⁡at
C. \(\frac{1}{a}\) t cos⁡at
D. \(\frac{1}{2a}\) t cos⁡at
Answer» C. \(\frac{1}{a}\) t cos⁡at


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