The full step-by-step solution to problem: 28 from chapter: 2.2 was answered by , our top Math solution expert on 03/14/18, 04:26PM. The answer to “In Exercises 2528, confirm the identities without evaluating the determinants directly.a1 b1 + ta1 c1 + rb1 + sa1 a2 b2 + ta2 c2 + rb2 + sa2 a3 b3 + ta3 c3 + rb3 + sa3 = a1 a2 a3 b1 b2 b3 c1 c2 c3” is broken down into a number of easy to follow steps, and 47 words. Elementary Linear Algebra, Binder Ready Version: Applications Version was written by and is associated to the ISBN: 9781118474228. Since the solution to 28 from 2.2 chapter was answered, more than 231 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 80 chapters, and 2108 solutions. This textbook survival guide was created for the textbook: Elementary Linear Algebra, Binder Ready Version: Applications Version, edition: 11.