I was asked to find the derivative of y=sqrtx at x=1(adsbygoogle = window.adsbygoogle || []).push({});

I need to use the formula

lim x -> a = f(x) - f(a) / (x-a) to find the derivative at x=1

I have..

sqrtx - 1 / (x - 1) BUT i can't simply it from there. Help!

THANKSZ.

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# Derivative of Y=sqrtX

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