Question

(2-radical din 3)la puterea 3

Answer 1

$(2- \sqrt{3})^{2}= 2^{3}-3* 2^{2}* \sqrt{3}+3*2*( \sqrt{3}) ^{2}-( \sqrt{3})^{3}=8-12 \sqrt{3}+18-$$-3 \sqrt{3} =26-15 \sqrt{3}$