1.3 Give the function f(x,y,z) = 3x? – 2xyz +y² – 10z. Find -at the point (2,1,1). дхду 1.4 Find a unit vector normal to the surface (x, y, z) = 2xz³ – x²y at the point (-3,4,5)

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1.3 Give the function f(x,y,z) = 3x2 – 2xyz +y² – 10z. Find-
-at the point (2,1,1).
дхду
1.4 Find a unit vector normal to the surface (x, y, z) = 2xz – x²y at the point (-3,4,5)
Transcribed Image Text:1.3 Give the function f(x,y,z) = 3x2 – 2xyz +y² – 10z. Find- -at the point (2,1,1). дхду 1.4 Find a unit vector normal to the surface (x, y, z) = 2xz – x²y at the point (-3,4,5)
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