Chapter 12
Functions of
Several Variables
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12.1
Planes and Surfaces
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12.2
Graphs and Level Curves
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12.3
Limits and Continuity
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12.4
Partial Derivatives
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12.5
The Chain Rule
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12.6
Directional Derivatives and the Gradient
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12.7
Tangent Planes and Linear
Approximation
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12.8
Maximum Minimum Problems
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12.9
Lagrange Multipliers
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