Given a ring R, we can consider the unit group R*. For each of the following...

 

Transcribed Image Text:

Given a ring R, we can consider the unit group R*. For each of the following rings R, find the structure of the group R*. (a) R=Z/18Z (b) R = Z[a] (where = 2 + i) Given a ring R, we can consider the unit group R*. For each of the following rings R, find the structure of the group R*. (a) R=Z/18Z (b) R = Z[a] (where = 2 + i)

Answer rating: 100% (QA)

To find the unit group R for each of the given rings R we need to find the elements of R th... View the full answer