MCQ
$f(x)=\frac{x^2+x+2}{x^2+x+1}$ का परास है :
  • A
    $(1, \infty)$
  • $\left(\frac{1}{7}, 3\right)$
  • C
    $\left(1, \frac{7}{5}\right)$
  • D
    $\left(1, \frac{11}{7}\right)$

Answer

Correct option: B.
$\left(\frac{1}{7}, 3\right)$
(B)

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