If the equation \[{{x}^{2}}+\lambda x+\mu =0\] has equal roots and one – McqOptions

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1.	If the equation \[{{x}^{2}}+\lambda x+\mu =0\] has equal roots and one root of the equation \[{{x}^{2}}+\lambda x-12=0\]is 2, then \[(\lambda ,\mu )\]=
A.	(4, 4)
B.	(-4,4)
C.	\[(4,-4)\]
D.	\[(-4,-4)\]
Answer» B. (-4,4)

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