vectors-m

Related Questions

• The sine of the angle between the two vectors $3\mathbf{i}+2\mathbf{j}-\mathbf{k}$ and $12\mathbf{i}+5\mathbf{j}-5\mathbf{k}$ will be

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• $|\mathbf{a}\times \mathbf{i}{{|}^{2}}+|\mathbf{a}\times \mathbf{j}{{|}^{2}}+|\mathbf{a}\times \mathbf{k}{{|}^{2}}=$

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• $(\mathbf{a}\,.\,\mathbf{i})\,\mathbf{i}+(\mathbf{a}\,.\,\mathbf{j})\mathbf{j}+(\mathbf{a}\,.\,\mathbf{k})\,\mathbf{k}=$

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• If $4i+j-k$ and $3i+mj+2k$ are at right angle, then $m=$

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• The position vectors of the points A, B and C are $\mathbf{i}+\mathbf{j},\,\,\mathbf{j}+\mathbf{k}$ and $\mathbf{k}+\mathbf{i}$ respectively. The vector area of the $\Delta ABC=\pm \,\frac{1}{2}\overrightarrow{\alpha }$ where $\overrightarrow{\alpha }=$

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