If the radius of the circle \[{{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0\] be r, then it will touch both the axes, if

If the radius of the circle \[{{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0\] be r

1.	If the radius of the circle \[{{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0\] be r, then it will touch both the axes, if
A.	\[g=f=r\]
B.	\[g=f=c=r\]
C.	\[g=f=\sqrt{c}=r\]
D.	\[g=f\] and \[{{c}^{2}}=r\]
Answer» D. \[g=f\] and \[{{c}^{2}}=r\]

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If the radius of the circle \[{{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0\] be r, then it will touch both the axes, if

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