Example #2 25 2 3-9x A B X(x)= 1x-1)(1 号2-1)1-2-1 Partial Fraction Expansion Algebra: A=1.B=2 1+ 2 9 n 2n g Note, particular to z-transforms 1)When finding poles and zeros express X(z)as a function of z When doing inverse z-transform zeros at 2=0 and 5 usIn ng PFE express X(z)as a 3之 O or function ofExample #2 2) When doing inverse z-transform using PFE, express X(z) as a function of z-1. Partial Fraction Expansion Algebra: A = 1, B = 2 Note, particular to z-transforms: 1) When finding poles and zeros, express X(z) as a function of z