Equation of a Normal at a Vertex

Rarely Tested

Equation of a Normal at a Vertex

At the major-axis vertex:

$$A(a,0)$$

the normal is:

$$x\text{-axis}$$

At the vertex:

$$A(-a,0)$$

the normal is also:

$$x\text{-axis}$$

Usage

- Used directly in problems involving normals at major-axis vertices.

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