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A = {1,[tex]- \frac{3}{2} [/tex],[tex] \sqrt{3} [/tex],5+[tex] \sqrt{4} [/tex],[tex] \pi [/tex],0,√[tex] \frac{9}{4}[/tex]
Elementele multimii A∩Q


Răspuns :

A∩Q= {1,-3/2, 5+√4, 0, √(9/4)}

pt ca5+√4=5+2=7∈N⊂Q
si
√(9/4)=3/2∈Q