(a) Let 2 -27 -1 14 -9 4 3 -2 1 Decide whether A is invertible, and find its inverse if so. A =

Linear Algebra: A Modern Introduction
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ISBN:9781285463247
Author:David Poole
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Chapter1: Vectors
Section1.1: The Geometry And Algebra Of Vectors
Problem 29EQ: Write out the addition and multiplication tables for 4.
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(a) Let
-27
A =
[-1 2
14
-9 4
3
-2 1
Decide whether A is invertible, and find its inverse if so.
Transcribed Image Text:(a) Let -27 A = [-1 2 14 -9 4 3 -2 1 Decide whether A is invertible, and find its inverse if so.
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