vectors-m

Related Questions

• If the position vectors of the vertices of a triangle be $2\mathbf{i}+4\mathbf{j}-\mathbf{k},$ $4\mathbf{i}+5\mathbf{j}+\mathbf{k}$ and $3\mathbf{i}+6\mathbf{j}-3\mathbf{k},$ then the triangle is

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• The vectors $\mathbf{c},\,\,\,\mathbf{a}=x\mathbf{i}+y\mathbf{j}+z\mathbf{k}$ and $\mathbf{b}=\mathbf{j}$ are such that a, c, b form a right handed system, then c is

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• A unit vector which is perpendicular to $\mathbf{i}+2\mathbf{j}-2\mathbf{k}$ and $-\mathbf{i}+2\mathbf{j}+2\mathbf{k}$ 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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• ABC is an isosceles triangle right angled at A. Forces of magnitude $2\sqrt{2,}\,5$ and 6 act along $\overrightarrow{BC},\,\,\overrightarrow{CA}$ and $\overrightarrow{AB}$ respectively. The magnitude of their resultant force is

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