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f:R-->R , f(x)=x^2-3x+2 . Sa se calculeze f(0)*f(1)*..*f(2009) .

Răspuns :

f(o)×f(1)×...........f(2009)=0
⇒f(1)=[tex] 1^{2} -3+2=0[/tex]
⇒f(0)×(f1)[=0]×......f(2009)=0 (A)