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f(x)=3x^2+1; g(x)=5x-1;
f(x)=g(x)-?


Răspuns :

3x^2+1=5x-1
=> 3x^2-5x+2=0
Delta=25-24=1
=>X1=(5-1)/6=2/3
=>X2=(5+1)/6=1