Question

me ajuda pfv



$\lim_{x \to \x4} \frac{x-4}{ \sqrt{x}-2 }$

Answer 1

$\lim_{4 \to \ \frac{x-4}{ \sqrt{x} -2}$

$\frac{x-4}{ \sqrt{x}-2}$

$\lim_{4 \to \ \sqrt{x}+2 }$

$\sqrt{4} + 2 =$

$2 + 2 = 4$