Example Given that h[n]=δ[n]+2δ[n-l]+3δ[n-2]and xn]=un-un-3.Find yn=xn *hnExample Given that [ ] [ ] 2 [ 1] 3 [ 2] and [ ] [ ] [ 3]. Find [ ] [ ] [ ]. h n n n n x n u n u n y n x n h n             