If n is even then by putting n/2 in the formula .and when n is odd the...
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If n is even then by putting n/2 in the formula .and when n is odd the...
Explanation of the Formula for Even and Odd Numbers:
To understand the formula for even and odd numbers, let's break it down based on the parity of the number n.
Even Numbers:
- When n is even, we can simply divide it by 2. This is because even numbers are divisible by 2 without any remainder.
- So, the formula for even numbers becomes: n/2
Odd Numbers:
- When n is odd, we need to add 1 to it before dividing by 2 to get the correct result.
- This is because odd numbers are not perfectly divisible by 2, so adding 1 ensures that we get the next even number before dividing.
- So, the formula for odd numbers becomes: (n+1)/2
Example:
Let's take an example to illustrate this:
- For an even number, let n = 6. Applying the formula n/2, we get 6/2 = 3.
- For an odd number, let n = 7. Applying the formula (n+1)/2, we get (7+1)/2 = 8/2 = 4.
Conclusion:
- By following the above rules and formulas, we can easily handle even and odd numbers in calculations or programming tasks.
- Understanding the parity of numbers and applying the appropriate formula ensures accurate results and simplifies the process of working with different types of numbers.
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