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If integers x and y are such that xy+1 is divisible by 24 then is x+y also divisible by 24?

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If integers x and y are such that xy+1 is divisible by 24 then is x+y also divisible by 24?
posted May 31, 2018 by anonymous

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1 Answer

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if x = 1, 5, 7, 11, 13, 17, 19, 23 & y = 23, 19, 17, 13, 11, 7, 5, 1 respectively then (x*y + 1) & (x+y) will both be divisible by 24.

answer Sep 23, 2018 by Tejas Naik



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