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- Appmt-lix A Solutions to the Exercises
De-normalising with t in s aid 7~ irk V: u ~ ( t ) = - - V e - i f (:OS(-t)
Solution 3.4
Where 1 < 0 I y(t) = 0 = X z ( f )
Since iii the swond rase there is 1x0 X to satisfy the condition, ~ ( t ) is not a n cigmhmction of the irit cgrator