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If f ''(x)|le 1 AA x in R, and f (0) =0...

If `f ''(x)|le 1 AA x in R, and f (0) =0=f' (0),` then which of the following can not be true ?

A

`f (-(1)/(2)) =1/6`

B

`f (2) =-4`

C

`f (-2) =3`

D

`f ((1)/(2)) =1/5`

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The correct Answer is:
A, B, C, D
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