1.

Equation of the circle which touches the lines \[x=0,\ y=0\] and \[3x+4y=4\] is                                        [MP PET 1991]

A.            \[{{x}^{2}}-4x+{{y}^{2}}+4y+4=0\]                            
B.            \[{{x}^{2}}-4x+{{y}^{2}}-4y+4=0\]
C.            \[{{x}^{2}}+4x+{{y}^{2}}+4y+4=0\]
D.            \[{{x}^{2}}+4x+{{y}^{2}}-4y+4=0\]
Answer» C.            \[{{x}^{2}}+4x+{{y}^{2}}+4y+4=0\]


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