Find the inverse lapace of ( frac{(s+1)}{[(s+1)^2+4][(s+1)^2+1]} ).

1.	Find the inverse lapace of ( frac{(s+1)}{[(s+1)^2+4][(s+1)^2+1]} ).
A.	<sup>1</sup> <sub>3</sub> e<sup>t</sup> [Cos(t) Cos(2t)].
B.	<sup>1</sup> <sub>3</sub> e<sup>-t</sup> [Cos(t) + Cos(2t)].
C.	<sup>1</sup> <sub>3</sub> e<sup>t</sup> [Cos(t) + Cos(2t)].
D.	<sup>1</sup> <sub>3</sub> e<sup>-t</sup> [Cos(t) Cos(2t)].
Answer» E.

Discussion

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