Inversion by Identifying coefficients in the power series X(2)=∑m2n n-coefficient of z Example#3:￥(2)=323-z+2-4 x-3=3 2 0 for all othern's a finite-duration dt sequenceInversion by Identifying Coefficients in the Power Series — A finite-duration DT sequence Example #3: 3 -1 2 0 for all other n’s