Question

f(x)=2x^2-2x+1 g(x)=-x^2+1 sa se calculeze f(x)=g(x)

Answer 1

Răspuns:

Explicație pas cu pas:

$f(x)=g(x)\\2x^2-2x+1=-x^2+1\\2x^2+x^2-2x=0\\3x^3-2x=0\\x(3x-2)=0\\i)x=0\\ii)3x-2=0\Rightarrow x=\dfrac{2}{3}\\\\ S=\left\{\dfrac{2}{3},0\right\}$