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Academics – Mathematics : 2018/DEC/01

Question

Q1. Given: z₁ = 1 + j2, z₂ = 2 - j, z₃ = 1.5 - j4.5 and Z = (Z₁ Z₂)/(Z₁ + Z₂ ) + Z₃ , determine EACH of the following:

(a) Z in Cartesian form; (8)

(b) Q, in polar form. given Q = E²/Z when E = 15∠120° (8)

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