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Determinati multimea A = { x € N | 2 < radical x < 7 }
Va rog ajutati-ma repede ! :)


Răspuns :

[tex]2= \sqrt{4} [/tex]    ;    [tex]7= \sqrt{49} [/tex]
[tex] \sqrt{4} < \sqrt{x} < \sqrt{49} [/tex]
x∈{5,6,7,8 ..... , 46, 47, 48}
=>A={5,6,7.....46,47,48}