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1. |
If f(t) = cos(at), its Laplace transform is given by? |
A. | s s<sup>2</sup>+a<sup>2</sup> |
B. | a s<sup>2</sup>+a<sup>2</sup> |
C. | 2 s |
D. | Does not exist |
Answer» B. a s<sup>2</sup>+a<sup>2</sup> | |