vectors-m

Related Questions

• If $\overrightarrow{OA}=3\mathbf{i}+2\mathbf{j}-\mathbf{k}$ and $\overrightarrow{OB}=\mathbf{i}+3\mathbf{j}+\mathbf{k}$, then the area of the triangle OAB is

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• The vector $2\,\mathbf{i}+a\,\mathbf{j}+\mathbf{k}$ is perpendicular to the vector $2\,\mathbf{i}-\mathbf{j}-k,$ if $a=$

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• If a and b are unit vectors such that $\mathbf{a}\times \mathbf{b}$ is also a unit vector, then the angle between a and b is

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• A vector coplanar with the non-collinear vectors $\mathbf{a}$ and $\mathbf{b}$ is

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• Let a and b be two non-collinear unit vectors. If $\mathbf{u}=\mathbf{a}-(\mathbf{a}\,.\,\mathbf{b})\,\mathbf{b}$ and $\mathbf{v}=\mathbf{a}\times \mathbf{b},$ then | v | is

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