vectors-m

Related Questions

• The unit vector perpendicular to both the vectors i – 2j + 3k and i + 2j – k is

  ---

• If position vector of points A, B, C are respectively $\mathbf{i}, \mathbf{j}, \mathbf{k}$ . and $AB=CX,$ then position vector of point X is

  ---

• $\mathbf{a},\,\mathbf{b}$ and c are three vectors with magnitude $|\mathbf{a}|\,=4,$ $|\mathbf{b}|\,=4,$ $|\mathbf{c}|\,=2$ and such that $\mathbf{a}$ is perpendicular to $(\mathbf{b}+\mathbf{c}),\,\mathbf{b}$ is perpendicular to $(\mathbf{c}+\mathbf{a})$ and $\mathbf{c}$ is perpendicular to $(\mathbf{a}+\mathbf{b}).$ It follows that $|\mathbf{a}+\mathbf{b}+\mathbf{c}|$ is equal to

  ---

• The area of a parallelogram whose adjacent sides are given by the vectors $\mathbf{i}+2\mathbf{j}+3\mathbf{k}$ and $-3\mathbf{i}-2\mathbf{j}+\mathbf{k}$ (in square unit) is

  ---

• If a and b are two unit vectors such that $\mathbf{a}+2\,\mathbf{b}$ and $5a-4b$ are perpendicular to each other, then the angle between a and b is

  ---