Question

Check, whether following lines intersect or not

\(\vec{r} = (\hat{i} - \hat{j}) + \lambda(2\hat{i} + \hat{k})\) and \(\vec{r} = (2\hat{i} - \hat{j} + \mu (\hat{i} + \hat{j} - \hat{k})\)

Answer 1

Line intersect each other if