rosedsouza707 rosedsouza707

30-05-2015
Math

Answered

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

Answer :

hemanthxmen49 hemanthxmen49

30-05-2015

Thiz can b proved by taking any odd number let us take n=3 3sq-1/8=9-1/8=8/8=1 Let's take n=5 5sq-1/8=25-1/8=24/8=3 So nsq-1for any odd number iz divisible by 8

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rajusetu rajusetu

30-05-2015

take any 2 nuiimebrs
lets take 5
we get 25-1=24 which ius diuuvisible
also takje 13 we get 168 which ius divuisiuble

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