Let z1 and z2 be complex numbers. Which of the following statements are always true? (i) Re(z1z2) (ii) |Im(z1) + iRe(z1)l = Iz1| Re(z122) %3D (iii) If z1 = rje", z2 = IT ', z1 = z2, and 0 is the principal argument of. Z1 then 0 %3D 8

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