1.

Let P be the point on the parabola y^(2)=8xwhich is at a minimum distance from the centre C of the circle x^(2)+(y+6)^(2) =1 . Then the equation of the circle passing through C and having its centre at P is

Answer»

`X^(2)+y^(2)-4x+8y+12=0`
`x^(2)+y^(2)-x+4y-12=0`
`x^(2)+y^(2)-(x)/(4)+2y-24=0`
`x^(2)+y^(2)-4x+9y+18=0`

ANSWER :A


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