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[" 123.Let "A=[[2,b,1],[b,b^(2)+1,b],[1,...

[" 123.Let "A=[[2,b,1],[b,b^(2)+1,b],[1,b,2]]," where "b>0" .Then the "],[" minimum value of "(det(A))/(b)" is "],[[" (x) "sqrt(3)," (2) "-sqrt(3)," (3) "-2sqrt(3)," (4) "2sqrt(3)]]

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