show that exactly one of the numbers n,n+2,or n+4is divisible by 3
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n+n+2 + n+4 = 3n + 6 = 3(n+2)
so we observe that 3 is a multiple of n+2
hence n+2 is divisible by 3
so we observe that 3 is a multiple of n+2
hence n+2 is divisible by 3
ankit8947:
hi maria , in which class u r
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2
yes , maria has explained good
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