Show that one and only one out of n, (n 1) and (n 2) is divisible by 3

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Show that one and only one out of n, (n 1) and (n 2) is divisible by 3, where n is any positive integer.

Ayeza Khan

May 3, 2017, 8:38 a.m.

Answers!

Ayeza Khan

May 3, 2017, 8:38 a.m.

Don't no

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