Question

(1pe2-√3) toata paranteza la a2a  va rooog froomosss 

Answer 1

($\frac{1}{2-√3}$)²=$\frac{1}{7-4√3}$


(2-√3)²=2²-2*2*√3+(√3)²=4-4√3+3=7-4√3

Answer 2

$(\frac{1}{2-\sqrt{3}})^2=\frac{1^2}{(2-\sqrt{3})^2}=\frac{1}{4+3-4\sqrt{3}}=\frac{1}{7-4\sqrt{3}}$