Răspunsuri

2014-11-11T18:07:56+02:00
A=√(3-√6)
b=√(3+√6)
a.b=√(9-6)=√3
a²+b²=3-√6+3+√6=6
(a-b)²=3-√6+3+√6-2√(9-6)=6-2√3
(a+b)²=3-√6+3+√6+2√3=6+2√3