vectors-m

Related Questions

• 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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• If a, b, c are mutually perpendicular vectors of equal magnitudes, then the angle between the vectors a and $\mathbf{a}+\mathbf{b}+\mathbf{c}$ is

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• If vector $\mathbf{a}=2\mathbf{i}-3\mathbf{j}+6\mathbf{k}$ and vector $\mathbf{b}=-2\mathbf{i}+2\mathbf{j}-\mathbf{k},$ then $\frac{\text{Projection of vector }\mathbf{a}\text{ on vector }\mathbf{b}}{\text{Projection of vector }\mathbf{b}\text{ on vector }\mathbf{a}}=$

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• If P and Q be the middle points of the sides BC and CD of the parallelogram ABCD, then $\overrightarrow{AP}+\overrightarrow{AQ}=$

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• The vector $2\,\mathbf{i}+\mathbf{j}-\mathbf{k}$ is perpendicular to $\mathbf{i}-4\mathbf{j}+\lambda \mathbf{k},$ if $\lambda =$

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