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(a) Given complex numbers, z =5+2i and z =- -5i. (i) Express z and z in exponential form. [7 marks] 512(z) (ii) Find in

(a) Given complex numbers, z =5+2i and z =- -5i. (i) Express z and z in exponential form. [7 marks] 512(z) (ii) Find in the form of a+bi where a and b are real numbers. Z2 [6 marks] (iii) Find modulus, z, and argument, arg (z). [4 marks]

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