1.

The unit step response of a system with the transfer function \(G\left( s \right) = \frac{{1 - s}}{{1 + s}}\) is given by which of the following? (A unit step function is represented by u(t))

A. (1 – 2e-t) u(t)
B. (1 – e-t) u(t)
C. e-t u(t)
D. 2e-t u(t)
Answer» B. (1 – e-t) u(t)


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