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Mathematics 20 Online
OpenStudy (anonymous):

Which of the following are ALWAYS correct for complex numbers u, v and z? (choose ALL correct answers) A. arg(z2)=(argz)2 B. argz=argz C. Re(z)=Im(iz) D. Re(u+v)=Re(u)+Re(v) E. Im(u+v)=Im(u)+Im(v)

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