If 4x^(2) + kx + 3 ge 0 for all real val...

If `4x^(2) + kx + 3 ge 0` for all real values of x then k lies in the interval

A

`(-3sqrt3, 4sqrt3)`

B

`[-4sqrt3, 4sqrt3]`

C

`((-1)/(4), (1)/(4))`

D

`((1)/(4), (-1)/(4))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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