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[" 8.If "2" is a root of the equation "x...

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

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