Question

What would be the value of n if n^2-1 is divisible by 8?

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Answer 1

Answer:

2n+1

Step-by-step explanation:

Given

N²-1 is divisible by 8

Then N can be (2n+1) where n belongs to natural number

You can verify

when n=1

N=3

N²-1=8

Which is divisible by 8

When n=2

N=5

N²-1=24

Which is divisible by 8

Thank you