Equation of a Line with Given Direction Vector
## Formula
For direction vector $$(a,b)$$ passing through $$(x_1,y_1)$$:
$$b(x-x_1)-a(y-y_1)=0$$
## Usage
- Used to construct a line parallel to a given direction vector.
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CAT Formulas
Straight Lines
Equation of a Line with Given Direction Vector
Equation of a Line with Given Direction Vector
## Formula
For direction vector $$(a,b)$$ passing through $$(x_1,y_1)$$:
$$b(x-x_1)-a(y-y_1)=0$$
## Usage
- Used to construct a line parallel to a given direction vector.
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