vectors-m

Related Questions

• A unit vector perpendicular to each of the vector $2\mathbf{i}-\mathbf{j}+\mathbf{k}$ and $3\mathbf{i}+4\mathbf{j}-\mathbf{k}$ is equal to

  ---

• If $|\mathbf{a}\,.\,\mathbf{b}|\,=3$ and $|\mathbf{a}\times \mathbf{b}|\,=4,$ then the angle between a and b is

  ---

• The position vectors of two points A and B are $\mathbf{i}+\mathbf{j}-\mathbf{k}$ and $2\mathbf{i}-\mathbf{j}+\mathbf{k}$ respectively. Then $|\overrightarrow{AB}|\,\,=$

  ---

• A unit vector which is perpendicular to $\mathbf{i}+2\mathbf{j}-2\mathbf{k}$ and $-\mathbf{i}+2\mathbf{j}+2\mathbf{k}$ is

  ---

• P is the point of intersection of the diagonals of the parallelogram ABCD. If O is any point, then $\overrightarrow{OA}+\overrightarrow{OB}+\overrightarrow{OC}+\overrightarrow{OD}=$

  ---