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1. The difference of the squares of two consecutive even integers is divisible by which of the following integers ?





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  • By: guest on 01 Jun 2017 05.46 pm
    Let the two consecutive even integers be 2n and (2n + 2). Then, (2n + 2)2 = (2n + 2 + 2n)(2n + 2 - 2n)      = 2(4n + 2)      = 4(2n + 1), which is divisible by 4.
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