Question

write a Python program to find the sum of the following series 1/2 + 3/4 - 5/6 + 7/8 - 9/10....n​

Answer 1

Explanation:

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Answer 2

answer : 12 + 32 + 52 + ….. + n2  Python

explanation: n = (Enter the value of n: )

i = 1

sum = 0

while i <= n :

sum += i

2 i += 2

OUTPUT

Enter the value of n: 9 Sum = 165