Each of the series in the followings is the value of the Taylor series at z = 0 of a function f(x) at a particular point. What function and what point? What is the sum of the series? 1 1 (a) 1 --+ -11 - + (-1)" - + ··· 4 16 (b) 1- 7² 9-2! + +(-1)"; +... 1 1 (c) - + ... √3 9√3 (2n-1) (√3)2n 81-4! 1 + 45√3 772n 32 (2n)! +(-1)-1,