state gov UP Police Assistant Operator (Radio Cadre) Mock Test Quantitative Aptitude Ratio and Proportion Componendo or Dividendo
\(\frac{{{x^2} - x + 1}}{{{x^2} + x + 1}} = \frac{2}{3}\) , then the value of \(\left( {x + \frac{1}{x}} \right)\) is
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4
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