vectors-m

Related Questions

• The vectors a, b and a + b are

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• The vectors $\mathbf{i}+2\mathbf{j}+3\mathbf{k},$ $\lambda \mathbf{i}+4\mathbf{j}+7\mathbf{k},$ $-3\mathbf{i}-2\mathbf{j}-5\mathbf{k}$ are collinear, if $\lambda$ equals

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• If the vectors $a\mathbf{i}+b\mathbf{j}+c\mathbf{k}$ and $p\mathbf{i}+q\mathbf{j}+r\mathbf{k}$ are perpendicular, then

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• If a, b, c are three vectors such that $\mathbf{a}=\mathbf{b}+\mathbf{c}$ and the angle between b and c is $\pi /2,$ then (Note : Here $a=\,\,|\mathbf{a}|,\,\,b=\,|\,\mathbf{b}|,\,\,c=\,|\mathbf{c}|)$

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• If $\mathbf{a}=\mathbf{i}+2\mathbf{j}+3\mathbf{k},\,\,\,\mathbf{b}=-\mathbf{i}+2\mathbf{j}+\mathbf{k}$ and $\mathbf{c}=3\mathbf{i}+\mathbf{j},$ then the unit vector along its resultant is

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