Question

x(n+2)+4x(n)=cos(2n)​

Answer 1

Answer:

❣ ANSWER ❣

✡ROCKY HERE

$x(n + 2) + 4x(n) = \cos(2n) \\ xn + 2x + 4xn = \cos(2n) \\ x(n + 2 + 4n) = \cos(2n)$

✴HAPPY TO ANSWER