1.

The equation of  the circle whose diameters have the end points (a, 0) (0, b) is given by                           [MP PET 1993]

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


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