Question

Consider the system whose input – output relationship is given by the value y[n] = 2x[n]+3n x[n-1]+u[n-2] .Identify the properties that the system posseses. Option 1: Time-variant Option 2: Linear Option 3: Causal Option 4: Memory less​

Answer 1

Step-by-step explanation:

using the identity

a3+b3=(a+b).(a2-ab+b2)

and the fact that

216=63

we have that

x3-63=(x+6).(x2-6x+36)