User talk:Paul Wormer/scratchbook: Difference between revisions
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{{Image|Complex number.png|right|350px| Complex number ''z'' ≡ ''r'' exp(''i''θ) multiplied by ''i'' gives <i>z'</i> <nowiki>=</nowiki> <i>z</i>×''i'' | |||
<nowiki>=</nowiki> ''z'' exp(''i'' π/2) (counter clockwise rotation over 90°). Division of ''z'' by ''i'' gives ''z''". Division by ''i'' is multiplication by −''i'' <nowiki> = </nowiki> exp(−''i''  π/2) (clockwise rotation over 90°).}} | |||
