Teaching TN TRB EE Test Series Signals and Systems Laplace Transform Laplace Transform of Standard Signals
The Laplace transform x(s) of a signal x(t) has four poles and an unknown number of zeros. x(t) is known to have an impulse at t = 0.
Which of the following is the necessary condition.
1
The number of zeros is greater than or equal to number of poles
2
The number of zeros is less than or equal to number poles
3
The number of zeros is exactly equal to number of poles
4
The number of zeros can be anything