Question

Stabiliti minimul expresiei E(x)=
${x}^{2} - x + 1$
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Answer 1

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Answer 2

$\it x^2-x+1=x^2-x+\dfrac{1}{4}+\dfrac{3}{4} =\Big(x-\dfrac{1}{2}\Big)^2+\dfrac{3}{4}\ \geq\ \dfrac{3}{4}$

$\it Minumul\ expresiei\ este\ \dfrac{3}{4}$