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A-Level MathematicsYear 2022Q4

12   4. (i) Given that z1 = 6e i 3 π and z2 = 6 5 i 6 3e π show that z1 + z2 = 12e 2 i 3 π (3) (ii) Given that arg(z – 5) = 2 3 π determine the least value of ½z½ as z varies. (3) ___________________________________________ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Turn over 13   Question 4 continued _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___________________________________________

Paper Source:9fm0-02-que-20220609.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)