vectors-m

Related Questions

• If $4\mathbf{i}+7\mathbf{j}+8\mathbf{k},\,\,\,2\mathbf{i}+3\mathbf{j}+4\mathbf{k}\,$ and $2\mathbf{i}+5\mathbf{j}+7\mathbf{k}$ are the position vectors of the vertices A, B and C respectively of triangle ABC. The position vector of the point where the bisector of angle A meets BC is

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• If $\mathbf{a}=\mathbf{i}-\mathbf{j}$ and $\mathbf{b}=\mathbf{i}+\mathbf{k}$ , then a unit vector coplanar with $\mathbf{a}$ and $\mathbf{a}$ and perpendicular to $\mathbf{a}$ is

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• 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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• If the angle between two vectors $\mathbf{i}+\mathbf{k}$ and $\mathbf{i}-\mathbf{j}+a\mathbf{k}$ is $\pi /3,$ then the value of $a=$

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• If position vectors of a point A is $\vec{a} + 2\vec{b}$ and $\vec{a}$ divides AB in the ratio $2:3$ , then the position vector of B is

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