vectors-m

Related Questions

• If $\theta$ be the angle between two vectors a and b, then $\mathbf{a}.\mathbf{b}$ $\ge 0$ if

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• If $a=(1,\,-1,\,2),\ b=(-2,\,3,\,5)$, $\mathbf{c}=(2\,,\,-2,\,4)$ and i is the unit vector in the x-direction, then $(a-2b+3c)\,.\,i=$

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• A vector of magnitude 14 lies in the xy-plane and makes an angle of ${{60}^{o}}$ with x-axis. The components of the vector in the direction of x-axis and y-axis are

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• The position vectors of A and B are $\mathbf{i}-\mathbf{j}+2\mathbf{k}$ and $3\mathbf{i}-\mathbf{j}+3\mathbf{k}.$ The position vector of the middle point of the line AB is

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• The unit vector perpendicular to both the vectors i – 2j + 3k and i + 2j – k is

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