If n is an odd positive integer show that n2- 1 is divisible by 8
Answers
Answered by
19
Let the odd positive integer be 3
then,
=n²-1
=(3)²-1
=9-1
=8
It is divisible by 8
Verify it using any other odd positive integer like 5,7,9,11,etc you will get the result which will be divisible by 8.
hope this helps you
then,
=n²-1
=(3)²-1
=9-1
=8
It is divisible by 8
Verify it using any other odd positive integer like 5,7,9,11,etc you will get the result which will be divisible by 8.
hope this helps you
Similar questions