- #1
shamus390
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1. Let a != 0 and b be elements of the integers mod n. If the equation ax=b has no solution in Zn then a is a zero divisor in Zn
Not sure where to start on this proof, I keep trying to find something using the properties of modular arithmetic but am coming up empty
The Attempt at a Solution
Not sure where to start on this proof, I keep trying to find something using the properties of modular arithmetic but am coming up empty