Example 1.1.9 (a): Algebra with complex numbers

If z = 1-i and w = 2+3i, find z w²
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If z = 1-i and w = 2+3i then:

z w² = (1-i) (2+3i) (2+3i) =
      = (1-i) (4 + 12i - 9) =
      = (1-i) (-5+12i) =
      = -5 + 12i +5i + 12 =
      = 7 + 17i

Interactive Complex Analysis, ver. 1.0.0
(c) 2006-2007, Bert G. Wachsmuth
Page last modified: May 29, 2007