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Complex Number Question

[edit]

Regarding your question. If we assume that z ≠ –1, then we just need to multiply through:

  • For any number (z ≠ –1) with modulus 1, the left hand equation holds.
  • Any number (z ≠ –1) where the left hand equation holds must have modulus 1.

Fly by Night (talk) 13:57, 11 October 2010 (UTC)[reply]