MCQ
$f(x)=\frac{x^2+x+2}{x^2+x+1}$ નો વિસ્તાર $..........$ હોઈ.
- A$\left(1,\infty\right)$
- B$\left(1,\frac{1}{7}\right)$
- ✓$\left(1.\frac{7}{3}\right]$
- D$\left(1.\frac{7}{5}\right]$
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