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[" Q."[" Let "a,b,c" and "m in R'" .Find...

[" Q."[" Let "a,b,c" and "m in R'" .Find the range of "m" (independent of "a,b" and "c)" for which at least one of the "],[" following cquations."],[qquad [,ax^(2)+bx+cm=0],[,bx^(2)+cx+am=0],[" and "cx^(2)+ax+bm,=0]}" have real roots."]]

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