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If -3lt(x^(2)-lambdax-2)/(x^(2)+x+1)lt2 ...

If `-3lt(x^(2)-lambdax-2)/(x^(2)+x+1)lt2` for all `x inR`, then the value of `lambda` belongs to

A

`(-1, 7)`

B

`(-6, 2)`

C

`(-1, 2)`

D

`(-6, 7)`

Text Solution

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The correct Answer is:
C
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