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A circle is drawn to cut a chord of leng...

A circle is drawn to cut a chord of length 2a unit along x -axis and to touch the y-axis . The locus of the centre of the circle is :

A

` x^(2) +y^(2) =a ^(2)`

B

` x^(2) -y^(2) = a`

C

` x + y =a^(2)`

D

` x^(2)- y^(2) =4a^(2)`

Text Solution

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The correct Answer is:
B
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