If one root of the equation \(\left( {{\rm{l}} - {\rm{m}}} \right){{\r – McqOptions

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1.	If one root of the equation \(\left( {{\rm{l}} - {\rm{m}}} \right){{\rm{x}}^2} + {\rm{lx}} + 1 = 0\) is double the other and l is real, then what is the greatest value of m?
A.	\(- \frac{9}{8}\)
B.	\(\frac{9}{8}\)
C.	\(- \frac{8}{9}\)
D.	\(\frac{8}{9}\)
Answer» C. \(- \frac{8}{9}\)

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