circle

Question: If ${{g}^{2}}+{{f}^{2}}=c$ , then the equation ${{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0$ will represent



1) A circle of radius g
2) A circle of radius f
3) A circle of diameter $\sqrt{c}$
4) A circle of radius 0
Solution: Explanation: No Explanation
Equations of circle Geometrical problems regarding circle

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