
#1
Apr2211, 07:25 AM

P: 466

Find the equation of the tangent plane to the level surface of the scalar field
[tex]\xi[/tex](x,y,z) = x^{2}+y^{2}+z^{2} at the point (1,1,2) Looking the work through this question with someone, not to sure where to start. 



#2
Apr2211, 08:54 AM

HW Helper
P: 3,309

i would start with the general equation of a plane...
the tangent plane can be thought of as a linear approximation of the function at that point 


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