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AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

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Question : 12

Total: 160

f (x) is a quadratic expression such that f (x) is negative when x∈(−∞−

)∪(3,∞) and positive when x∈(−

,3) g (x) is another quadratic expression such that g (x) is negative when x∈(3,−

) and positive when x∈−[3,

].
Thenthe sign of f(x) g(x) in [ 0, 5] is

Positive in [0,
9
2
] and negative in (
9
2
,5)
Positive in [0,3)∪(3,
9
2
) and negative in (
9
2
,5]
Positive in [0,3)∪(3,
9
2
)∪(
9
2
,5]
Negative in [0,3)∪(3,
9
2
)∪(
9
2
,5]

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