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aratati ca a+b+2=-4√6 unde:
a=√3(2-√18)-(1+√3)(2+√2)
b=1/2-√2 - 1/2+√2


Răspuns :

a = 2√3 - 3√6 - 2 - 2√3 - √2 - √6 = - 4√6 -√2 - 2
b = (2+√2)/2 - (2-√2)2 = √2
a + b + 2 = - 4√6