JEE Math Practice Question
The absolute minimum value, of the function $f(x)=\left|x^{2}-x+1\right|+\left[x^{2}-x+1\right]$, where $[t]$ denotes the greatest integer function, in the interval $[-1,2]$, is :
- A.$\frac{3}{4}$
- B.$\frac{3}{2}$
- C.$\frac{1}{4}$
- D.$\frac{5}{4}$
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