Question: fast please Consider an LTI system with impulse response: h[n] = a[n-2]-u[n-1] a) Is this system memoryless? Justify. b) Find and sketch the output of

fast please Consider an LTI system with impulse response: h[n] =

fast please

Consider an LTI system with impulse response: h[n] = a[n-2]-u[n-1] a) Is this system memoryless? Justify. b) Find and sketch the output of the system when the input signal is x[n]=u[n]-u(n-3)

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