Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
I dont understand how to calculate the second one
Transcribed Image Text:If A and B are 2 × 2 matrices, det (A) = 1, det(B)
det (AB) = 4
det (-2A) =
det (A¹) = 1
det (B-¹) =
det (B4) = 256
=
4, then
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