Condition for Intersection of Two Lines
Two non-parallel lines intersect if they are coplanar:
$$(\vec c-\vec a)\cdot(\vec b\times\vec d)=0$$
Usage
- Used to check whether two non-parallel lines can intersect.
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CAT Formulas
Vector Algebra
Condition for Intersection of Two Lines
Condition for Intersection of Two Lines
Two non-parallel lines intersect if they are coplanar:
$$(\vec c-\vec a)\cdot(\vec b\times\vec d)=0$$
Usage
- Used to check whether two non-parallel lines can intersect.
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