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Equation of Tangent Plane

Find the equation of the tangent plane to the surface xy + yz + zx = 3 at the point (1,1,1)

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Let F(x,y,z)=xy + yz + zx -3. Then the normal vector of the tangent plane to the surface xy + yz + zx = 3 at the point ...

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The equation of a tangent plane is found. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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