The intial and terminal points are and
.
Component form of a vector :
\The component form of a vector with intial point
and terminal point
is
.
The points are and
.
Substitute and
in component form.
.
The component of a vector is
.
Magnitude of the vector :
\If is a vector with intial point
and terminal point
, then magnitude of the
is
.
The points are and
.
Substitute and
in magnitude of the vector form.
.
Magnitude of the vector is
is approximately
.
The component of a vector is
.
Magnitude of the vector is
.