This full solution covers the following key subjects: belong, exists, let, show, some. This expansive textbook survival guide covers 34 chapters, and 2038 solutions. Contemporary Abstract Algebra was written by Sieva Kozinsky and is associated to the ISBN: 9781133599708. This textbook survival guide was created for the textbook: Contemporary Abstract Algebra , edition: 8th. The answer to “Let a and b belong to Q with b ? 0. Show that if and only if there exists some c ? Q such that a = bc2.” is broken down into a number of easy to follow steps, and 28 words. The full step-by-step solution to problem: 7E from chapter: 21 was answered by Sieva Kozinsky, our top Math solution expert on 07/25/17, 05:55AM. Since the solution to 7E from 21 chapter was answered, more than 224 students have viewed the full step-by-step answer.