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2014-05-22T17:23:53+03:00
Mg= √axb
a = (3-2√2)la2
a= 9-4x2
a= 9-8=1
a=1

b= (3+2√2)la2
b= 9+4x2
b=9+8
b=17

mg= √1x17 = √17