Answer the following questions concerning 2 1 -1 A = 2 1 [3 1 -1 1. Find the inverse of A. -1 1 -4 2 1 -2 1 2. Solve for X: A · X_ =

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.2: Matrix Algebra
Problem 21EQ: Prove the half of Theorem 3.3 (e) that was not proved in the text.
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Answer the following questions concerning
2
-1]
2
1
3
1
-1
1. Find the inverse of A.
-1
1
...
..
1
-4
1
1
2. Solve for X:А : Х —
2.
Transcribed Image Text:Answer the following questions concerning 2 -1] 2 1 3 1 -1 1. Find the inverse of A. -1 1 ... .. 1 -4 1 1 2. Solve for X:А : Х — 2.
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