show that n³-n is divisible by 3 ,if n is positive
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place a value at place of n > 1
so i take n = 2
2^3-2 = 8-2 = 6 and 6 is divisible by 3
thankyou friends
so i take n = 2
2^3-2 = 8-2 = 6 and 6 is divisible by 3
thankyou friends
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