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Se considera multimea
[tex]A={ \sqrt{1} ; \sqrt{2};...; \sqrt{2013}[/tex]
A intersectat Q=?


Răspuns :

A∧Q ∈ {√(n²)}
n² ∈ {1,4,9,16,25,36,49,64,............1936}
A∧Q = { -44, -43..........-1, 1,2,3......44}