The equation of the circle which touches both the axes and whose radiu

1.	The equation of the circle which touches both the axes and whose radius is a, is [MP PET 1984]
A.	\[{{x}^{2}}+{{y}^{2}}-2ax-2ay+{{a}^{2}}=0\]
B.	\[{{x}^{2}}+{{y}^{2}}+ax+ay-{{a}^{2}}=0\]
C.	\[{{x}^{2}}+{{y}^{2}}+2ax+2ay-{{a}^{2}}=0\]
D.	\[{{x}^{2}}+{{y}^{2}}-ax-ay+{{a}^{2}}=0\]
Answer» B. \[{{x}^{2}}+{{y}^{2}}+ax+ay-{{a}^{2}}=0\]

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The equation of the circle which touches both the axes and whose radius is a, is [MP PET 1984]

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