Răspunsuri

2014-01-27T18:56:10+02:00
1-√2 < 0 => | 1-√2 | = √2 - 1
1-√4,1616 = 1 - 2,04 = - 1,04 < 0 => | 1-√4,1616 | = 1,04

Avem :  \frac{ \sqrt{2}-1 }{1- \sqrt{2} } - 1,04 =  \frac{ (\sqrt{2} - 1)(1+ \sqrt{2})}{(1- \sqrt{2})(1+ \sqrt{2})}  - 1,04 =  \frac{ \sqrt{2} + 2 - 1 -  \sqrt{2}}{1-2} - 1,04 = -1-1,04 -2,04
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