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OpenStudy (anonymous):
lim (4-|x|)/(sqrt(x)-2) x->4
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ganeshie8 (ganeshie8):
Hint : when \(x\) is positive \[\large 4-x = 2^2 - \sqrt{x}^2 = (2+\sqrt{x})(2-\sqrt{x})\]
OpenStudy (anonymous):
thank you!
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