belen3123 belen3123

24-05-2023
Mathematics

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please solve all parts, thank you
1. Letz-3+4i and wa+bi where a, b E R. Without using a calculator, z (a) determine and hence, b in terms of a such that is real; to Answer: (b) determine arg(=-7); (c) determine w Answer: (4 marks) (3

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