Direction Vector of a Line
## Formula
For:
$$Ax+By+C=0$$
a direction vector is:
$$\vec d=(B,-A)$$
## Usage
- Used to represent a vector parallel to the line.
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CAT Formulas
Straight Lines
Direction Vector of a Line
Direction Vector of a Line
## Formula
For:
$$Ax+By+C=0$$
a direction vector is:
$$\vec d=(B,-A)$$
## Usage
- Used to represent a vector parallel to the line.
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