Question

calculati:
a) (1-√3)² +(1+√3)²-(1-√3)(1+√3)

Answer 1

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

$1-2\sqrt{3} + 3 + 1 + 2\sqrt{3} +3 - 1 +3 =\\1 + 3 +1 +3 - 1 +3=\\11 - 1 = \\= 10$

Sper ca te-am ajutat <3