Question

1)calculati suma dintre inversul nr 2-√3 si opusul nr √3-1

Answer 1

 [tex] \frac{1}{2- \sqrt{3} } + (- \sqrt{3} +1) = \frac{2+ \sqrt{3} }{ 2^{2} -3} - \sqrt{3} +1 = 2+ \sqrt{3} - \sqrt{3} +1 = 2+1=3 [/tex]