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If x^3+12x^2+10ax+1999 definitely has po...

If `x^3+12x^2+10ax+1999` definitely has positive zero , if and only if ............

A

`a gt=0`

B

`a gt0`

C

`a lt 0`

D

`a lt=0`

Text Solution

Verified by Experts

The correct Answer is:
A
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