471 - Appmt-lix A Solutions to the Exercises De-normalising with t in s aid 7~ irk I 4 S V:u ~ ( t=) - - V e - i f (:OS(-t) Solution 3.4 Where < I y(t) = = X z ( f ) Since iii the swond rase there is cigmhmction of the irit cgrator 1x0 X to satisfy the condition, ~ ( t is) not a n