vectors-m

Related Questions

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

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• If in a triangle $\overrightarrow{AB}=\mathbf{a},\,\,\overrightarrow{AC}=\mathbf{b}$ and D, E are the mid-points of AB and AC respectively, then $\overrightarrow{DE}$ is equal to

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• The projection of the vector $2\mathbf{i}+\mathbf{j}-3\mathbf{k}$ on the vector $\mathbf{i}-2\mathbf{j}+\mathbf{k}$is_______

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• The angle between the vector $2i+3j+k$ and $2i-j-k$ is

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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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