A-Level
CAIE
Mathematics
03 2023
QP-202303-Mathematics-P32 · Question 10
Question (excerpt):
10 With respect to the origin O, the points A, B, C and D have position vectors given by −−¿ OA = ` 3 −1 2 a , −−¿ OB = ` 1 2 −3 a , −−¿ OC = ` 1 −2 5 a and −−¿ OD = ` 5 −6 11 a . (a) Find the obtuse …
10 With respect to the origin O, the points A, B, C and D have position vectors given by −−¿ OA = ` 3 −1 2 a , −−¿ OB = ` 1 2 −3 a , −−¿ OC = ` 1 −2 5 a and −−¿ OD = ` 5 −6 11 a . (a) Find the obtuse …
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