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2014-06-07T15:11:31+03:00
(2√2)²=8
3²=9⇒se inverseaza numerele astfel din 2√2-3 devine 3-2√2
media geometrica= √axb
axb= 3-2√2 x 1+2√2+2
axb = (3-2√2)(3+2√2)
a x b=3²-2√2²
a x b= 9-8
a x b=1
media geometrica= √1=1