MATA36H3 Lecture 17: complex numbers
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The complex number is a f at ib la , I means algebraically . it behaves identically to the real numbers field view i as a variable. Q is a field field c rational numbers ) The exact details the of fractions , derivative of complex numbers too complicated . Cct id ) at c t icbtd ) cat i b) ( et id ) = ac. To do division need some more definition z at ib complex number real part of. Re cz ) a imaginary part of z. 2b plane g x - axis axis y - real part imaginary part. It is the reflection of z across x-axis. I z i raft distance to the origin key. Ir } real t i real i t. Q is a field . is a complex number. I ) n is a integer ) lztwl put. W d cz , w ) =/ z - wi z at.
