The power series ∑n=0∞cn(x−a)n\sum_{n=0}^{\infty} c_n (x-a)^n∑n=0∞cn(x−a)n is centered at:
x=0x = 0x=0
x=1x = 1x=1
x=ax = ax=a
x=cnx = c_nx=cn