Question

100 points in next question

Answer 1

Hii there!!!

n^2-1= 8
n^2= 8+1
n^2= 9
n= 3

We got n value 3 which is odd number.

Hope it helps...

Answer 2

hii friend.......
here is your answer......

given that...n is an odd integer.....
we have to prove that ...

n^2-1 is divisible by 8
_________
method 1 :
_________
if we put the value of n I:e1,3,5.......
then the solution is...
n^1-1=1^2-1=0
n^2-1=3^2-1=8
n^2-1=5^2-1=24.....

in this method all the odd integer is divisible by 8
__________
method2:
__________

n^2-1=8
n^2=8+1=9
n=3

hence the value of n is 3.....

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