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1. |
Find the inverse Laplace transform of X(s) = \(\frac{s}{(s^2+a^2)^2}\). |
A. | \(\frac{1}{a}\) t sinat |
B. | \(\frac{1}{2a}\) t sinat |
C. | \(\frac{1}{a}\) t cosat |
D. | \(\frac{1}{2a}\) t cosat |
Answer» C. \(\frac{1}{a}\) t cosat | |