The pair of straight lines joining the origin to the points of intersection of the line \[y=2\sqrt{2}x+c\]and the circle \[{{x}^{2}}+{{y}^{2}}=2\]are at right angles, if [MP PET 1996]

The pair of straight lines joining the origin to the points of interse

1.	The pair of straight lines joining the origin to the points of intersection of the line \[y=2\sqrt{2}x+c\]and the circle \[{{x}^{2}}+{{y}^{2}}=2\]are at right angles, if [MP PET 1996]
A.	\[{{c}^{2}}-4=0\]
B.	\[{{c}^{2}}-8=0\]
C.	\[{{c}^{2}}-9=0\]
D.	\[{{c}^{2}}-10=0\]
Answer» D. \[{{c}^{2}}-10=0\]

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The pair of straight lines joining the origin to the points of intersection of the line \[y=2\sqrt{2}x+c\]and the circle \[{{x}^{2}}+{{y}^{2}}=2\]are at right angles, if [MP PET 1996]

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