Write a program that asks the user to type the values of x and n and compute the following expressions: S=x + xx+ S=1+x+- + 2 S=1+x+ S=1-x+ 3 x x X 2 2! 2 x 3 x .. X 3 31 3 2! 31 + X +...+ x" n x" n! n square root signs I (-1)"x" n! Analyse the expression, choose the appropriate loop type