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The locus of the centres of the circles ...

The locus of the centres of the circles which touch the circle `x^(2)+y^(2)=1` externally also touch the y-axis and lie in the first quadrant, is

A

`x=sqrt(1+4y),yge0`

B

`y=sqrt(1+2x),xge0`

C

`y=sqrt(1+4x),xge0`

D

`x=sqrt(1+2y),yge0`

Text Solution

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The correct Answer is:
C
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