POWER SERIES a.) At what values of the variable x does the power series converge? K= 1 b.) Determine the coefficients ak , center, radius of convergence and interval of convergence of the power series x + 2 k K 2 c.) Give an example of a power series whose center is 9 and radius of convergence is 3 . d.) Determine the radius of convergence of the power series Cakack when Saks is valid for the coefficients K K= 0 for all k E N1