145 B
145 B
- Equation for a normal plane to a curve:
z = f(x_{0}, y_{0}) + f_{x}(x_{0}, y_{0})(x-x_{0}) + f_{y}(x_{0}, y_{0})(y-y_{0})
z = f(x_{0}, y_{0}) + f_{x}(x_{0}, y_{0})(x-x_{0}) + f_{y}(x_{0}, y_{0})(y-y_{0})