vectors-m

Related Questions

• The value of x for which the angle between the vectors $\mathbf{a}=x\mathbf{i}-3\mathbf{j}-\mathbf{k},\,\,\mathbf{b}=2x\mathbf{i}+x\mathbf{j}-\mathbf{k}$ is acute and the angle between the vectors b and the axis of ordinate is obtuse, are

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• Which of the following is not a unit vector for all values of $theta$

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

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• If the points $\mathbf{a}+\mathbf{b},\,\,\mathbf{a}-\mathbf{b}$ and $\mathbf{a}+k\,\mathbf{b}$ be collinear, then k =

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• The point having position vectors $2\mathbf{i}+3\mathbf{j}+4\mathbf{k},\,\,$ $3\mathbf{i}+4\mathbf{j}+2\mathbf{k},$ $4\mathbf{i}+2\mathbf{j}+3\mathbf{k}$ are the vertices of

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