Question

Write a menu driven program to calculate and print the sum of each of the following series based
upon user's choice:
1. Sum(S) = 2 - 4 + 6 - 8+ ....... - 20
2. Sum(S) = x/2 + x/5 + X/8+
+ X/20 (Value of x to be input by the user.)

Plz give with steps

Answer 1

I dont no the answer....