Vector Equation of a Line (r = r0 + λ d)
jee-mainjee-advanced
r = r0 + λ d
What each symbol means
| Symbol | What it stands for |
|---|---|
| λ | Real parameter |
| \vec{d} | Direction vector |
| \vec{r}_0 | Position vector of known point |
When to use this
d ≠ 0. Each λ gives one point on line.