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


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