vectors-m

Related Questions

• If $D,\,E,\,F$ are respectively the mid points of $AB,\,AC$ and $BC$ in $\Delta ABC$ , then $\overrightarrow{BE}$ $+\overrightarrow{AF}=$

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• The area of the parallelogram whose adjacent sides are $\mathbf{i}-\mathbf{k}$ and $2\mathbf{j}+3\mathbf{k}$ is

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• The unit vector perpendicular to the vectors $\mathbf{i}-\mathbf{j}+\mathbf{k}$ and $2\mathbf{i}+3\mathbf{j}-\mathbf{k}$ is

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• A particle acted on by constant forces $4i+j-3k$ and $3i+j-k$ is displaced from the point $i+2j+3k$ to the point $5i+4j+k$. The total work done by the force is

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• If the position vectors of A, B, C, D are $2\,\mathbf{i}+\mathbf{j},$ $\mathbf{i}-3\,\mathbf{j},$ $3\,\mathbf{i}+2\,\mathbf{j}$ and $\mathbf{i}+\lambda \mathbf{j}$ respectively and $\overrightarrow{AB}||\overrightarrow{CD}$ , then $\lambda $ will be

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