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If ln^(2)x+3lnx-4 is non negative, then ...

If `ln^(2)x+3lnx-4` is non negative, then x must lie in the interval :

A

`[e,oo]`

B

`(-oo,e^(4))uu(e,oo)`

C

`(1//e,e)`

D

none of these

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