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Afla numarul m stiind ca ecuatia x patrat -mx=3,x apartine R are solutia 2. Rezolva apoi ecuatia obtinuta.

Răspuns :

x^2 - mx = 3
x = 2
4 - 2m = 3
-2m = -1
m = [tex] \frac{1}{2} [/tex]