1.

The equation of a circle which touches both axes and the line \[3x-4y+8=0\] and whose centre lies in the third quadrant is              [MP PET 1986]

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


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