1 Solve the below difference equation with Z transform: Yn+2 +6+9yn = 5", where yo = y = 0 2 Solve the below difference equation by using CF and PI concept Yn+2 2yn+1+Yn: = 7 + 3n, 3 Solve the below difference equation with Z transform: Yn+2 - 6yn+1+9yn = 5" with the condition yo y = 0 = 4 Solve the difference equation by using the general method: Yn+2+4yn+1 + 3yn = 2n +3 5 Solve the following difference equation by using general method: - Un+2 2un+1 + 4un = -2n