vectors-m

Related Questions

• If $\mathbf{a}, \mathbf{b}, \mathbf{c}, \mathbf{d}$ be the position vectors of the points A, B, C and D respectively referred to same origin O such that no three of these points are collinear and $\mathbf{a}+\mathbf{c}=\mathbf{b}+\mathbf{d},$ then quadrilateral ABCD is a

  ---

• If D, E, F be the middle points of the sides BC, CA and AB of the triangle ABC, then $\overrightarrow{AD}+\overrightarrow{BE}+\overrightarrow{CF}$ is

  ---

• 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

  ---

• The vectors $3\,\mathbf{i}+\mathbf{j}-5\,\mathbf{k}$ and $a\,\mathbf{i}+b\,\mathbf{j}-15\,\mathbf{k}$ are collinear, if

  ---

• Which of the following is not a property of vectors

  ---