This full solution covers the following key subjects: divisor, isomorphic, Find, subgroup. This expansive textbook survival guide covers 34 chapters, and 2038 solutions. Contemporary Abstract Algebra was written by and is associated to the ISBN: 9781133599708. The answer to “If r is a divisor of m and s is a divisor of n, find a subgroup of Zm ? Zn that is isomorphic to Zr ? Zs.” is broken down into a number of easy to follow steps, and 28 words. The full step-by-step solution to problem: 19E from chapter: 8 was answered by , our top Math solution expert on 07/25/17, 05:55AM. Since the solution to 19E from 8 chapter was answered, more than 226 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Contemporary Abstract Algebra , edition: 8th.