Find the area of the surface cut from the paraboloid x^2+y+z^2=2 by the plane y=0

I found |gradientf|=sqrt(4x^2+4z^2+1)

How do I find P, the unit normal vector??

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- Mar 29th 2009, 11:39 AMs7bSurface Area
Find the area of the surface cut from the paraboloid x^2+y+z^2=2 by the plane y=0

I found |gradientf|=sqrt(4x^2+4z^2+1)

How do I find P, the unit normal vector??