8.7.3 Vectors, SPM Practice (Question 5 & 6)
Question 5: Diagram below shows a triangle KLM. It is given that KP:PL=1:2, LR:RM=2:1, KP → =2 x ˜ , KM → =3 y ˜ . (a) Express in terms of x ˜ and y ˜ , (i) MP → (ii) MR → (b) Given x ˜ =2 i ˜ and y ˜ =− i ˜ +4 j ˜ , find | MR | → . … Read more