Limits, Continuity and Differentiability

Section: Mathematics
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Question : 27 of 51
 
Marks: +1, -0
If f:RR is a twice differentiable function such that f(x)>0 for all x ∊ R and f(
1
2
)
=
1
2
,f(1)=1
then :
[JEE Adv 2017 P2]
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