Răspunsuri

2014-02-23T20:03:03+02:00
x√(3-2√3)²+2x√(√3-2)²
√(3-2√3)²=|3-2√3|=2√3-3
√(√3-2)²=|√3-2|=2-√3
x(2√3-3)+2x(2-√3)
2x√3-3x+4x-2x√3=x
Multumesc frumos :)
cu placere
mai am 2 exercitii:
Daca 3x+5y=16, 5x+3y=24 atunci 7x-7y =?