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If y=(x^2-3x+1)/(2x^2-3x+2), where x is ...

If `y=(x^2-3x+1)/(2x^2-3x+2)`, where x is real, the value of y lies between (A) `-1leyle5/7` (B) `-1/2leyle5/7` (C) `5/7ltylt1` (D) none of these

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