(5 marks) Question 2 (15 marks) z 2i a) Let a complex number z 5i 3 Find in the standard form x yi (4 marks) b) Given that z, V3 i and z, 2 3i Find the modulus and argument of z, and z, Hence, express z,z, in the form r(cos 0 isin 0) (6 marks) c) By using De Moivre's theorem, find (3V5 3i) in the ...

a given Z 5i 3 Now Z Conjngate of Z then Z aib 3D 1e il z ...

(5 marks) Question 2 (15 marks) z + 2i a) Let a complex number z =-5i+3....

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(5 marks) Question 2 (15 marks) z + 2i a) Let a complex number z =-5i+3....

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