Equation of a Line Through Origin with Given Direction Ratios
## Formula
If the direction ratios are $$a:b$$, then:
$$\frac xa=\frac yb$$
## Usage
- Used to construct a line through the origin when its direction is known.
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CAT Formulas
Straight Lines
Equation of a Line Through Origin with Given Direction Ratios
Equation of a Line Through Origin with Given Direction Ratios
## Formula
If the direction ratios are $$a:b$$, then:
$$\frac xa=\frac yb$$
## Usage
- Used to construct a line through the origin when its direction is known.
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