1.

If f(t) = u(t), then its Laplace transform is?

A. ( frac{scos(b)-asin(b)}{s^2+a^2} )
B. 1/2
C. ( frac{s}{s^2-a^2} )
D. ( frac{b}{(s-a)^2+b^2} )
Answer» C. ( frac{s}{s^2-a^2} )


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