PrepZii

formula

Position Vector, Distance and Section Formula

The vectors section begins with position vectors of points and section formula.

\overrightarrow{AB}=\vec b-\vec a

AB=|\vec a-\vec b|

\vec r=\frac{n\vec a+m\vec b}{m+n}

\text{Midpoint of }AB=\frac{\vec a+\vec b}{2}