The equation of the line joining origin to the points of intersection of the curve \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\] and \[{{x}^{2}}+{{y}^{2}}-ax-ay=0\] is

The equation of the line joining origin to the points of intersection

1.	The equation of the line joining origin to the points of intersection of the curve \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\] and \[{{x}^{2}}+{{y}^{2}}-ax-ay=0\] is
A.	\[{{x}^{2}}-{{y}^{2}}=0\]
B.	\[xy=0\]
C.	\[xy-{{x}^{2}}=0\]
D.	\[{{y}^{2}}+xy=0\]
Answer» C. \[xy-{{x}^{2}}=0\]

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The equation of the line joining origin to the points of intersection of the curve \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\] and \[{{x}^{2}}+{{y}^{2}}-ax-ay=0\] is

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