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Co - ordinate Geometry Circles

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If the radius of the circle x²+y²+2gx+2fy+c=0 be r, then it will touch both the axes, if

A. g=f=r

B. g=f=c=r

C. g=f=√c=r

D. g=f and c²r

E. None of the above

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Correct choice: C

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles