Question

prove that only one of the number n, n+1 or n+2 is divisible by 3 , where n is any position integer, explain.​

Answer 1

Answer:

On dividing n by 3, let q be the quotient and r be the remainder . Case I If n = 3q then n is clearly divisible by 3. ... In this case , (n +1) is divisible by3. Hence, one and only one out of n,( n +1) and (n+2) is divisible 3.

Answer 2

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