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Create a 'fibonacciSeries' function that takes a number N as a parameter and checks if it is a member of the Fibonacci series or not.Return true if the number is a member of the Fibonacci series, else return false.Fibonacci Series is defined by the recurrence

Question

Create a 'fibonacciSeries' function that takes a number N as a parameter and checks if it is a member of the Fibonacci series or not.Return true if the number is a member of the Fibonacci series, else return false.Fibonacci Series is defined by the recurrence

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Solution

Sure, here is a Python function that checks if a number is in the Fibonacci series:

def fibonacciSeries(N):
    a, b = 0, 1
    while a < N:
        a, b = b, a+b
    return a == N

This function works by generating the Fibonacci series starting from 0 and 1. It keeps generating the next number in the series by adding the last two numbers. It stops when it generates a number that is equal to or greater than N. If the generated number is equal to N, it means N is in the Fibonacci series, so it returns True. Otherwise, it returns False.

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