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$\left(1, \frac{11}{7}\right)$
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