Question

Write a menu driven program to find the sum of the given series:
a) S= (1+2) + (1+2+3) +
- (1+2+3+
--n)
b)S=a/2! - a/3! + a/4! - a/5! --------a/20!
c)S= 1/a + 2/a^2 + 3/a^3 +4/a^4 + -----------n/a^n
plz need this urgently
if found irrelevant answer will be reported​

Answer 1

Answer:

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