Three lines L_ 1 : r = i , R, L_ 2 : r = k + j , R and L_ 3 : r = i + j +v k , v R are…
Mathematics · JEE Advanced · NTA Exams — Three Dimensional Geometry
Three lines \(L_{1}: \vec{r}=\lambda \hat{i}, \lambda \in R, L_{2}: \vec{r}=\hat{k}+\mu \hat{j}, \mu \in R\) and \(L_{3}: \vec{r}=\hat{i}+\hat{j}+v \hat{k}, v \in R\) are given. For which point(s) Q on L2 can we find a point P on L1 and a point R on L3 so that P, Q and R are collinear?
Answer
(B)
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