vectors-m

Related Questions

• A zero vector has

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• If $\mathbf{a}=\mathbf{i}+\mathbf{j}+\mathbf{k},\,\mathbf{b}=\mathbf{i}+3\mathbf{j}+5\mathbf{k}$ and $\mathbf{c}=7\mathbf{i}+9\mathbf{j}+11\mathbf{k}$, then the area of the parallelogram having diagonals a + b and b + c is

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• If $\mathbf{p}=\mathbf{i}-2\mathbf{j}+3\mathbf{k}$ and $\mathbf{q}=3\mathbf{i}+\mathbf{j}+2\mathbf{k},$ then a vector along r which is linear combination of p and q and also perpendicular to q is

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• If the resultant of two forces is of magnitude P and equal to one of them and perpendicular to it, then the other force is

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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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