vectors-m

Question: A unit vector in the plane of $\mathbf{i}+2\mathbf{j}+\mathbf{k}$ and $\mathbf{i}+\mathbf{j}+2\mathbf{k}$are perpendicular to $2\mathbf{i}+\mathbf{j}+\mathbf{k}$is



1) $\mathbf{j}-\mathbf{k}$
2) $\frac{\mathbf{i}+\mathbf{j}}{\sqrt{2}}$
3) $\frac{\mathbf{j}+\mathbf{k}}{\sqrt{2}}$
4) $\frac{\mathbf{j}-\mathbf{k}}{\sqrt{2}}$
Solution: Explanation: No Explanation
Scalar Product Dot Product

Rate this question:

Average rating: (0 votes)

Previous Question Next Question