The set of points on the axis of the par...

The set of points on the axis of the parabola `y^2-4x-2y+5=0` from which all the three normals to the parabola are real , is

A

`(k,0),kgt1`

B

`(k,1),kgt3`

C

`(k,2),kgt6`

D

`(k,3),kgt8`

Text Solution

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The correct Answer is:

B

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