vectors-m

Related Questions

• If $ABCDEF$ is regular hexagon, then $\overrightarrow{AD}\,+\overrightarrow{EB}+\overrightarrow{FC}=$

  ---

• If $\theta $ is the angle between the vectors a and b, then $\frac{|a\times b|}{|a\,.\,b|}$ equal to

  ---

• If the diagonals of a parallelogram are represented by the vectors $3\mathbf{i}+\mathbf{j}-2\mathbf{k}$ and $\mathbf{i}+3\mathbf{j}-4\mathbf{k},$ then its area in square unit is

  ---

• The angle between the vectors $\mathbf{i}-\mathbf{j}+\mathbf{k}$ and $\mathbf{i}+2\mathbf{j}+\mathbf{k}$ is

  ---

• The vector $2\,\mathbf{i}+a\,\mathbf{j}+\mathbf{k}$ is perpendicular to the vector $2\,\mathbf{i}-\mathbf{j}-k,$ if $a=$

  ---