vectors-m

Related Questions

• If in a right angled triangle ABC, the hypotenuse $AB=p,$ then $\overrightarrow{AB}\,\,.\,\,\overrightarrow{AC}+\overrightarrow{BC}\,.\,\,\overrightarrow{BA}+\overrightarrow{CA}\,\,.\,\,\overrightarrow{CB}$ is equal to

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• The position vectors of two points A and B are $\mathbf{i}+\mathbf{j}-\mathbf{k}$ and $2\mathbf{i}-\mathbf{j}+\mathbf{k}$ respectively. Then $|\overrightarrow{AB}|\,\,=$

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• $a,\,b,\,c$ are three vectors, such that $a+b+c=0$, $|a|\,=1,\,|b|\,=2,\,|c|\,=3$, then $a.b+b.c+c.a$ is equal to

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• If $\mathbf{a}=2\,\mathbf{i}+2\,\mathbf{j}+3\,\mathbf{k},\,\,\mathbf{b}=-\mathbf{i}+2\,\mathbf{j}+\mathbf{k}$ and $c=3\,\mathbf{i}+\mathbf{j},$ then $\mathbf{a}+t\,\mathbf{b}$ is perpendicular to c if $t=$

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• In a triangle ABC, if $2\overrightarrow{AC}=3\overrightarrow{CB},$ then $2\overrightarrow{OA}+3\overrightarrow{OB}$ equals

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