1.

The Laplace transform of the signal u(t) u(t-2) is ______________

A. ( frac{e^{-2s}-1}{s} )
B. ( frac{-e^{-2s}+1}{s} )
C. ( frac{2}{s} )
D. ( frac{-2}{s} )
Answer» C. ( frac{2}{s} )


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