Question

rationalizing 1/√5-4​

Answer 1

-√5+4/11

Step-by-step explanation:

$\frac{1}{ \sqrt{5} - 4} \times \frac{ \sqrt{5} + 4}{ \sqrt{5} + 4} = \frac{ \sqrt{5} + 4 }{ {( \sqrt{5} )}^{2} - ( {4})^{2} }$

$\frac{ \sqrt{5} + 4}{5 - 16}$

√5+4/-11

-√5+4/11