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Computer Science

Write a recursive function to add the first 'n' terms of the series:

1 + 1/2 - 1/3 + 1/4 - 1/5……………

Python

Python Functions

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Answer

def add_series_terms(n):
    if n == 1:
        return 1
    elif n % 2 == 0:
        return add_series_terms(n - 1) + 1 / n
    else:
        return add_series_terms(n - 1) - 1 / n

n = int(input("Enter the term: "))
print(add_series_terms(n))

Output

Enter the term: 2
1.5

Enter the term: 5
1.2166666666666668

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