Chapter 13 - Vector Geometry - 13.2 Vectors in Three Dimensions - Exercises - Page 659: 11

$P = \left( { - 2,6,0} \right)$

The vector ${\bf{w}} = \overrightarrow {PR} $ is based at $P$ and has the head at $R$, so ${\bf{w}} = \overrightarrow {PR} = R - P = \left( {1,4,3} \right) - P = \left( {3, - 2,3} \right)$ $P = \left( { - 2,6,0} \right)$