Question

if n is odd integer then show that n2-1 is divisible by 8​

Answer 1

Answer:

Step-by-step explanation:

Let odd integer =5

Then n2 - 1= 5^2 -1

=25- 1

=24

24 is divisible by 8.

With 7

=7^2 - 1

=49- 1

=48

48 is also divisible by 8.

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