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Sticky Note
Let a, b be in a ring R. If a ≠ 0, b ≠ 0 but ab = 0, then we say that a and b are _____?
  1. Unit divisors
  2. Congruent
  3. Zero divisors
  4. None of these
Explanation

Given a ≠ 0, b ≠ 0, and ab = 0:

In this case, a and b are called Zero divisors.

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