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If the circle x^(2) + y^(2) + 2gx + 2fy ...

If the circle `x^(2) + y^(2) + 2gx + 2fy + x = 0(c gt 0)` touches the y-axis then which one of the following is correct ?

A

`g = - sqrtc` only

B

g = `pm sqrtc`

C

`f = sqrtc` only

D

`f = pm sqrtc`

Text Solution

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The correct Answer is:
D
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