1.

If f(t) = t 2 a sinat, then its Laplace transform is?

A. b (s + a)<sup>2</sup> + b<sup>2</sup>
B. 2a (s b)<sup>2</sup> + b<sup>2</sup>
C. Indeterminate
D. s (s<sup>2</sup> + a<sup>2</sup>)<sup>2</sup>
Answer» E.


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