Question

answer fast
$\frac{7}{ \sqrt{5} + 2 }$
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Answer 1

$= > \frac{7}{ \sqrt{5} + 2}$

$= > \frac{7}{ \sqrt{5} + 2} \times \frac{ \sqrt{5 } - 2}{ \sqrt{5} - 2}$

$= > \frac{7 \sqrt{5} - 14}{ { \sqrt{5} }^{2} - {2}^{2} }$

$= > \frac{7 \sqrt{5} - 14}{5 - 4}$

$= > 7 \sqrt{5} - 14$

Is your answer!