vectors-m

Related Questions

• The area of triangle whose vertices are $(1,\,2,\,3),\,(2,\,5,\,-1)$ and $(-1,\,1,\,2)$ is

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• If the resultant of two forces of magnitudes P and Q acting at a point at an angle of ${{60}^{o}}$ is $\sqrt{7}Q,$ then P/Q is

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• The direction cosines of the vector $3\mathbf{i}-4\mathbf{j}+5\mathbf{k}$ are

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• $\mathbf{p}=2\mathbf{a}-3\mathbf{b},\,\,\,\mathbf{q}=\mathbf{a}-2\mathbf{b}+\mathbf{c},\,\,\mathbf{r}=-3\mathbf{a}+\mathbf{b}+2\mathbf{c};$ where a, b and c being non-zero, non-coplanar vectors, then the vector $-2\mathbf{a}+3\mathbf{b}-\mathbf{c}$ is equal to

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• The unit vector parallel to the resultant vector of $2\mathbf{i}+4\mathbf{j}-5\mathbf{k}$ and $\mathbf{i}+2\mathbf{j}+3\mathbf{k}$ is

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