If f(t) = 1 a sinh(at), then its Laplace transform is?

1.	If f(t) = ¹ _a sinh(at), then its Laplace transform is?
A.	1 s<sup>2</sup>-a<sup>2</sup>
B.	2a (s b)<sup>2</sup> + b<sup>2</sup>
C.	n! (s a)<sup>n-1</sup>
D.	Does not exist
Answer» B. 2a (s b)<sup>2</sup> + b<sup>2</sup>

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