1. Solve: Given that: 4
a. x[n]=8[n] i.e. unit impulse
b. x[n]u[n] i.e. unit step

2. Determine k1 and k2 so that these systems are equivalent. X→ x- X→ →(+ A -0.7 kı + A y[n]=x[n]-x[n-1] k2 A -0.9 Y Y​