vectors-m

Related Questions

• If $a\,.\,i=a\,.\,(\hat{i}+\hat{j})=a\,.\,(\hat{i}+\hat{j}+\hat{k})$, then $\vec{a} =$

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• If $\theta $ be the angle between the vectors $\mathbf{a}=2\mathbf{i}+2\mathbf{j}-\mathbf{k}$ and $\mathbf{b}=6\mathbf{i}-3\mathbf{j}+2\mathbf{k}$, then

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• A unit vector perpendicular to the plane determined by the points $P\,(1,\,\,-1,\,\,2),\,\,Q\,(2,\,\,0,\,-1)$ and $R\,(0,\,\,2,\,\,1)$ is

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• If the vectors $a\mathbf{i}+2\mathbf{j}+3\mathbf{k}$ and $-\mathbf{i}+5\mathbf{j}+a\mathbf{k}$ are perpendicular to each other, then $a=$

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• If a, b, c are mutually perpendicular vectors of equal magnitudes, then the angle between the vectors a and $\mathbf{a}+\mathbf{b}+\mathbf{c}$ is

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