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Direction Ratios of a Straight Line
## Formula
For:
$$Ax+By+C=0$$
a pair of direction ratios is:
$$B:-A$$
## Usage
- Used to represent the direction of a line without explicitly calculating its slope.
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Direction Ratios of a Straight Line
## Formula
For:
$$Ax+By+C=0$$
a pair of direction ratios is:
$$B:-A$$
## Usage
- Used to represent the direction of a line without explicitly calculating its slope.
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