Răspunsuri

2014-05-31T23:14:20+03:00
A=9-3√3+3√3=9
b=| √4 - √3 | +  2-√3/(2-√3)(2+√3) = -√4+√3 + 2-√3/4-3=-2+√3+2-√3=0

 \sqrt{ab}  \sqrt{9*0} = √0 = 0