Solution for Question 4 : IES Conventional 1998 : Electronics & Telecommunication Engineering : Paper I

Q.4 (a): 

    Find f(0), f’(0), f”(0).  

   (Note: F (s) is the Laplace transform of f(t)). 

Sol: 

Q.4 (b): Find the system transfer function and unit impulse response of the second order difference equation given below assuming zero initial conditions: 

                                               

Sol: