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If 2 is a root of the equation x^2+b ...

If 2 is a root of the equation `x^2+b x+12=0` and the equation `x^2+b x+q=0` has equal roots, then `q=` (a) 8 (b) `-8` (c) 16 (d) `-16`

A

8

B

-8

C

16

D

-16

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