A.  x2+y2+gx+fy+c/2=0

B.  2(x2+y2)+gx+fy+c=0

C.  2(x2+y2+gx+fy)+3c=0

D.  x2+y2+2(gx+fy+c)=0

Correct Answer :
x2+y2+gx+fy+c/2=0
Explanation :
No Explanation available for this question
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