The figure below shows five named points A$.$ B$,$ C$,$ D$,$ and O $($the letter O$,$ not the number zero$)$ in Rn for some n $2.$ Write each of the following vector expressions as a single named vector. For instance, enter AB as AB$.$ AB $+$ BC $=$ Part $2$ The figure below shows five named points A$,$ B$.$ c$,$ D$,$ and o $($the letter O$,$ not the number zero$)$ in R$2$ Find the fol lowing coordinate vectors. help $($vectors$)$ OB AB$+$BC