Partial Differentiation
Free Hand
Erase
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Circle
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DLine
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1. Functions of Several Variables
2. Limits and Continuity
3. Partial Derivatives
4. Tangent Planes , Linear Approximations , and Differentials
5. The Chain Rule
6. Directional Derivatives
7. Maxima and Minima of Functions of Two Variables
8. Method of Lagrange Multipliers