If n is an odd positive integer, show that (n^2-1) divisible by 8.

If n is an odd positive integer, show that (n²-1) divisible by 8.

Monjur Alahi

8 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Because every odd integer will cover by 4m+1 or 4m+3.
You may also use 2m+1.

8 views Answered 2023-02-05 15:29

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