Question:
Find the vector and Cartesian forms of the equations of the plane containing the two lines $\bar{r}=(\hat{i}+2 \hat{j}-4 \hat{k})+\lambda(2 \hat{i}+3 \hat{j}+6 \hat{k})$ and $\bar{r}=(9 \hat{i}+5 \hat{j}-\hat{k})+\mu(-2 \hat{i}+3 \hat{j}+8 \hat{k}) \ldots$
Solution:
