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According to my text...

Tangent Plane:

z-z_{0}=f_{x}(x0,y0)(x-x0) + f_{y}(x0,y0)(y-y0)

Linearization:

L(x,y) = f(a,b) + f_{x}(a,b)(x-a) + f_{y}(a,b)(y-b)

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# Difference between Tangent Plane and Linearization

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