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1. |
If f(t) = tcos(at), its Laplace transform is given by? |
A. | 1 s-a |
B. | s<sup>2</sup> a<sup>2</sup> (s<sup>2</sup>+a<sup>2</sup>)<sup>2</sup> |
C. | Indeterminate |
D. | s<sup>2</sup>at |
Answer» C. Indeterminate | |