The equation of the parabola whose focus is the point (0, 0) and the tangent at the vertex is \[x-y+1=0\]is [Orissa JEE 2002]

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

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

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

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

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

The equation of the parabola whose focus is the point (0, 0) and the t

1.	The equation of the parabola whose focus is the point (0, 0) and the tangent at the vertex is \[x-y+1=0\]is [Orissa JEE 2002]
A.	\[{{x}^{2}}+{{y}^{2}}-2xy-4x+4y-4=0\]
B.	\[{{x}^{2}}+{{y}^{2}}-2xy+4x-4y-4=0\]
C.	\[{{x}^{2}}+{{y}^{2}}+2xy-4x+4y-4=0\]
D.	\[{{x}^{2}}+{{y}^{2}}+2xy-4x-4y+4=0\]
Answer» D. \[{{x}^{2}}+{{y}^{2}}+2xy-4x-4y+4=0\]

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The equation of the parabola whose focus is the point (0, 0) and the tangent at the vertex is \[x-y+1=0\]is [Orissa JEE 2002]

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