Can someone help me with this multiple choice question? Vectors

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1 Answer
sjc
May 22, 2018

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)

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