JEE AdvancedCircleMedium
Question
For the equation x2 + y2 + 2λx + 4 = 0 which of the following can be true -
Options
A.It represents a real circle for all λ ∈ R.
B.It represents a real circle for | λ | > 2.
C.The radical axis of any two circles of the family is the y-axis.
D.The radical axis of any two circles of the family is the x-axis.
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