limit as x->infinity of [(x^2-6x+1)^(1/2)-x](adsbygoogle = window.adsbygoogle || []).push({});

I have tried to force it into a l'hopital form without much success, and tried to look up a couple different techniques (like replacing x with 1/u and finding the limit as u->zero) but I honestly don't even know where to begin.

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# Homework Help: Help with a limit

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