Question

Write a program to find the sum of the series given below, taking the values ‘a’ and ‘n’ from

the user.

S = a/2 + a/3 + a/4 + .....................to n.​

Answer 1

Language:

Python

Program:

a=int(input("Enter the value of a: "))

n=int(input("Enter the value of n: "))

sum=0

for i in range(2,n+2):

   sum+= a/i

print(sum)

Output:

Enter the value of a: 2

Enter the value of n: 3

2.1666666666666665

Explanation:

• a saves input value of a in the expression mentioned.  
• sum saves the sum.
• using for loop we produce a/i which starts from 2 for n times.