Question

For any natural number n prove that n3-n is divisible by 6

Answer 1

take n as 2

then 2*2*2-2/6

6/6=1

hence it is proven

Answer 2

Step-by-step explanation:

let the N =3

N3-3=3×3×3-3

27-3=24

hence 24is divisible by 6

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