vectors-m

Related Questions

• The sum of two forces is 18 N and resultant whose direction is at right angles to the smaller force is 12N. The magnitude of the two forces are

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• If the vectors $\mathbf{i}-3\mathbf{j}+2\mathbf{k}$, $-\mathbf{i}+2\mathbf{j}$ represents the diagonals of a parallelogram, then its area will be

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• If $a=2i+j+2k$ and $b=5i-3j+k,$ then the projection of b on a is

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• If the position vectors of the points A, B, C be $\mathbf{i}+\mathbf{j},\,\,\,\mathbf{i}-\mathbf{j}$ and $a\,\,\mathbf{i}+b\,\mathbf{j}+c\,\mathbf{k}$ respectively, then the points A, B, C are collinear if

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• If $|\mathbf{a}|\,=2,\,\,|\mathbf{b}|\,=3$ and a, b are mutually perpendicular, then the area of the triangle whose vertices are $\mathbf{0},\,\,\mathbf{a}+\mathbf{b},\,\,\mathbf{a}-\mathbf{b}$ is

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