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Non-unit is a zero-divisor.why?

  1. Jun 30, 2010 #1
    Let R be a finite commutative ring . Then show that each element of R is a unit or a zero-divisor .
  2. jcsd
  3. Jun 30, 2010 #2


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    This is an unacceptable HW request. (And the complete solution that was unacceptably provided has been deleted) Please see the message you've been sent.
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