vectors-m

Related Questions

• The direction cosines of vector $\mathbf{a}=3\mathbf{i}+4\mathbf{j}+5\mathbf{k}$ in the direction of positive axis of x, is

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• If the position vectors of the vertices A, B, C of a triangle ABC are $7\mathbf{j}+10\mathbf{k},$ $-\mathbf{i}+6\mathbf{j}+6\mathbf{k}$ and $-4\mathbf{i}+9\mathbf{j}+6\mathbf{k}$ respectively, the triangle is

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• The angle between the vectors $\mathbf{i}-\mathbf{j}+\mathbf{k}$ and $\mathbf{i}+2\mathbf{j}+\mathbf{k}$ is

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• If O be the origin and the position vector of A be $4\,\mathbf{i}+5\,\mathbf{j},$ then a unit vector parallel to $\overrightarrow{OA}$ is

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• If $|\mathbf{a}|\,\,=3,\,\,\,|\mathbf{b}|\,\,=4$ and $|\mathbf{a}+\mathbf{b}|\,\,=5,$ then $|\mathbf{a}-\mathbf{b}|\,\,=$

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