vectors-m

Related Questions

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

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• If $A,\,B,\,C$ are the vertices of a triangle whose position vectors are a, b, c and G is the centroid of the $\Delta ABC,$ then $\overrightarrow{GA}+\overrightarrow{GB}\,+\overrightarrow{GC}$ is

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• $\mathbf{a},\,\mathbf{b}$ 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

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• If a, b, c are coplanar vectors, then

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• If $\mathbf{a}\,.\,\mathbf{b}=\mathbf{a}\,.\,\mathbf{c},\,\,\mathbf{a}\,\times \mathbf{b}=\mathbf{a}\times \mathbf{c}$ and $\mathbf{a}\ne \mathbf{0},$ then

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