TS EAMCET 9-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

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Question : 2 of 160

Marks: +1, -0

The set of values of α such that f:R→[0,

π

2

) defined by
f(x)=Tan−1(x2+x+α2) is onto is

(−
1
2
,
1
2
)
(−
1
4
,
1
4
)
(−∞,−
1
2
)∪(
1
2
,∞)
(−∞,−
1
4
)∪(
1
4
,∞)

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