Use a geometric series to represent each of the following functions as a power series about x = 0. Find the interval of convergence. 7 a. x)= 5_x b- 9(X)= x6 no r a. The power series representation for f(x) is 2 ([1) 5r". ' , n =0 ' ' . :1 ' H r' The interval nfconvergence is D. 'I \"'1' ii" H}. "r ' 1' ' 5 (Simplify your answer. Type your answer in interval notationi} L ' '1 V '3 m l w\" in; r n h b.1he power series representation for g(x) is 2 u \"x". , r W , . H 'r