vectors-m

Related Questions

• $(\mathbf{a}\,.\,\mathbf{i})\,\mathbf{i}+(\mathbf{a}\,.\,\mathbf{j})\mathbf{j}+(\mathbf{a}\,.\,\mathbf{k})\,\mathbf{k}=$

  ---

• If $|\mathbf{a}|\,=2,\,\,|\mathbf{b}|\,=5$ and $|\mathbf{a}\times \mathbf{b}|\,=8,$ then a . b is equal to

  ---

• A vector of magnitude 14 lies in the xy-plane and makes an angle of ${{60}^{o}}$ with x-axis. The components of the vector in the direction of x-axis and y-axis are

  ---

• A, B, C, D, E are five coplanar points, then $\overrightarrow{DA}+\overrightarrow{DB}+\overrightarrow{DC}+\overrightarrow{AE}+\overrightarrow{BE}+\overrightarrow{CE}$ is equal to

  ---

• A unit vector perpendicular to the plane determined by the points (1, – 1, 2), (2, 0, – 1) and (0, 2, 1) is

  ---