Odpowiedzi

2009-11-15T16:08:52+01:00
√2/(√2-√3)+√3/(√2+√3)=√2*(√2+√3)/(√2-√3)(√2+√3)+√3*(√2-√3)/(√2+√3)(√2-√3)=
=2+√6/2-3+√6-3/2-3=-2-√6-√6+3=-2√6+1
2009-11-15T16:17:21+01:00
2+√6+√6-3=2x - 3x
2+2.45 +2.45 - 3 = -x
x= -3.89