TS EAMCET 9-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

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Question : 12 of 160

Marks: +1, -0

If

x2+ax+3

x2+x+1

takes real values for all real values of x then a lies in the interval

(−2−√11,√11−2)
(4, 3)
(−2+√2,2+√2)
(-1,0)
None of the above

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