Odpowiedzi

2009-11-04T20:51:41+01:00
|1-√2|:|1+√2| = |(1-√2)/(1+√2)| = |(1-√2)²/(1-√2)*(1+√2)| = |(3-2√2)/-1| =
|2√2-3| ≈ |-0,17| = 0,17
Najlepsza Odpowiedź!
2009-11-04T21:11:18+01:00
|1-√2|:|1+√2| =
=(-1+√2):(1+√2) =
=(-1+√2)(1-√2):(1+√2)(1-√2)=
=-(1-√2)²:(1-2)=-(1-2√2+2):(-1) = (3-2√2)