assume R is a ring with unity e. Prove: if a is in R has a multiplicative inverse, the multiplicative inverse of a is unique. so if ax=xa=e is the multiplicative inverse, the to make it unique, how do you show that?
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Originally Posted by bookie88 assume R is a ring with unity e. Prove: if a is in R has a multiplicative inverse, the multiplicative inverse of a is unique. so if ax=xa=e is the multiplicative inverse, the to make it unique, how do you show that?
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