find the limit as x approaches 121 of (sqrt(x)-11)/(x-121). I have already solved and gotten 1/22 which was right but I can't remember how and can't find my notes. All I need is an explanation

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\[\lim_{x \rightarrow 121}\frac{ \sqrt{x}-11 }{ x-121 }\]

can we factor the bottom?

if x was squared then yes but it's not.

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