The equation of the circle in the first quadrant touching each coordinate axis at a distance of one unit from the origin is [RPET 1991; MP PET 1987, 89]

\[{{x}^{2}}+{{y}^{2}}-2x-2y-1=0\]

\[{{x}^{2}}+{{y}^{2}}-2x-2y+1=0\]

\[{{x}^{2}}+{{y}^{2}}-2x-2y=0\]

The equation of the circle in the first quadrant touching each coordin

1.	The equation of the circle in the first quadrant touching each coordinate axis at a distance of one unit from the origin is [RPET 1991; MP PET 1987, 89]
A.	\[{{x}^{2}}+{{y}^{2}}-2x-2y+1=0\]
B.	\[{{x}^{2}}+{{y}^{2}}-2x-2y-1=0\]
C.	\[{{x}^{2}}+{{y}^{2}}-2x-2y=0\]
D.	None of these
Answer» B. \[{{x}^{2}}+{{y}^{2}}-2x-2y-1=0\]

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The equation of the circle in the first quadrant touching each coordinate axis at a distance of one unit from the origin is [RPET 1991; MP PET 1987, 89]

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