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The locus of a point which is equidistan...

The locus of a point which is equidistant from point (4,2) and x-axis is

A

`h^(2)-8h-4k+20=0`

B

`h^(2)-8h+4k-20=0`

C

`h^(2)-6h+4k+20=0`

D

None of these

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The correct Answer is:
A
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ARIHANT PUBLICATION BIHAR-RECTANGULAR COORDINATES, STRAIGHT LINES, FAMILY OF LINES-EXAM BOORSTER FOR CRACKING EXAM
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