Question

Aflati valoarea raportului algebric $\frac{ x^{2- y^{2} } }{xy}$ pentru x=1-$\sqrt{3} ,y=1+ \sqrt{3}$
URGENT

Answer 1

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