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If x^(2) + 2px - 2p + 8 gt 0 for all rea...

If `x^(2) + 2px - 2p + 8 gt 0` for all real values of x, then the set of all possible values of p is

A

(2,4)

B

`(-oo, -4)`

C

`(2, oo)`

D

`(-4, 2)`

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The correct Answer is:
D
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