

InterviewSolution
Saved Bookmarks
1. |
If $\vec{P}=2 \hat{i}+3 \hat{j}-\hat{k}$ and $\vec{Q}=2 \hat{i}-5 \hat{j}+2 \hat{k}$find $(i) \vec{P+Q}$ (ii) $3 \vec{P}-\vec{2 Q}$ |
Answer» | |