I'm completely lost on this one. I need this to be able to solve that the square root of three is irrational. So it's a proof within a proof, but I like this way best. Please help me out.(adsbygoogle = window.adsbygoogle || []).push({});

This is what I need to know how to prove.

3|n^2 implies 3|n where n is some integer.

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# 3|n^2 implies 3|n

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