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If the radical axis of the circles x^(...

If the radical axis of the circles
`x^(2)+y^(2)+2gx + 2fy + c = 0 and 2x^(2) + 2y^(2) + 3x + 8y + 2c =0`
touches the circle `x^(2)+ y^(2)+2x+2y + 1 = 0,` then

A

`g = 3//4 and f ne 2`

B

`g ne 3//4 and f = 2`

C

`g = 3//4 or f = 2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 8-MATHEMATICS
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