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A-Level MathematicsYear 2021Q5

Turn over 13  Question 5 continued ___________________________________________ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (Total for Question 5 is 6 marks) 14   6. B C A Figure 1 Figure 1 shows a sketch of triangle ABC. Given that • AB → = −3i − 4j − 5k • BC → = i + j + 4k (a) find AC → (2) (b) show that cos ABC = 9 10 (3) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___________________________________________

Paper Source:9MA0_01_que_20211007.pdf

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Exam Specification Info

This question is part of the UK A-Level Mathematics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.

Syllabus levelAdvanced Level (A-Level)

SubjectMathematics

Official MarksVariable (2–6 marks)