Question

Can someone help me with this multiple choice question? Vectors

Answer 1

see below

Explanation:

`vec(ZR)=vec(ZW)+vec(WX)+vec(XR)--(1)`

`vec(ZW)=-vec(WZ)`

`vec(XR)=1/2vec(XY)=1/2vec(WZ)`

`rarrvec(ZR)=-vec(WZ)+vec(WX)+1/2vec(WZ)`

`=-1/2vec(WZ)+vec(WX)`

`=vec(WX)-1/2vec(WZ)`