Question

Plz simplify the math in attachments I will give brainliest

Answer 1

See the attachment for detail solution
Hope it will help you

Answer 2

$(\frac{\sqrt{5}-2}{\sqrt{5}+2})$

=> $\frac{(\sqrt{5}-2)²}{(\sqrt{5})²-(2)²}$

=> $\frac{(\sqrt{5}-2)²}{(5-4)}$

=> $\frac{5-4\sqrt{5}+4}{(5)}$

=> $9-4\sqrt{5}$

HOPE IT HELPS

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