The equation of pair of straight lines joining the point of intersection of the curve \[{{x}^{2}}+{{y}^{2}}=4\] and \[y-x=2\] to the origin, is

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

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

\[{{x}^{2}}+{{y}^{2}}=4{{(y-x)}^{2}}\]

\[{{x}^{2}}+{{y}^{2}}+4{{(y-x)}^{2}}=0\]

The equation of pair of straight lines joining the point of intersecti

1.	The equation of pair of straight lines joining the point of intersection of the curve \[{{x}^{2}}+{{y}^{2}}=4\] and \[y-x=2\] to the origin, is
A.	\[{{x}^{2}}+{{y}^{2}}={{(y-x)}^{2}}\]
B.	\[{{x}^{2}}+{{y}^{2}}+{{(y-x)}^{2}}=0\]
C.	\[{{x}^{2}}+{{y}^{2}}=4{{(y-x)}^{2}}\]
D.	\[{{x}^{2}}+{{y}^{2}}+4{{(y-x)}^{2}}=0\]
Answer» B. \[{{x}^{2}}+{{y}^{2}}+{{(y-x)}^{2}}=0\]

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The equation of pair of straight lines joining the point of intersection of the curve \[{{x}^{2}}+{{y}^{2}}=4\] and \[y-x=2\] to the origin, is

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