CircleHard

Question

The circle x2 + y2 - 2 x - 3 k y - 2 = 0 passes through two fixed points, (k is the parameter)

Options

A.
B.
C.
D.

Solution

Two fixed pts. are point of intersection of

x2 + y2 _2x _2 = 0 & y = 0

Point x2 _ 2x _ 2 = 0

(x _ 1)2 _ 3 = 0

x _1 = , x _ 1 =

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