Question:
Find the direction cosines of the perpendicular from the origin to the plane $\bar{r} \cdot(6 \hat{i}-3 \hat{j}-2 \hat{k})+1-0$.
Solution:
Find the direction cosines of the perpendicular from the origin to the plane $\bar{r} \cdot(6 \hat{i}-3 \hat{j}-2 \hat{k})+1-0$.