Question: LetA=[1 2 2 1] , R, and E= { v R^2| Av=v }. Math 26 Worksheet 8 Name: Answer the following questions. 1. Let A

LetA=[1 2 2 1] , R, and E= { v R^2| Av=v }.

$LetA=[1 2 2 1] , R, and E= { v R^2| Av=v$

Math 26 Worksheet 8 Name: Answer the following questions. 1. Let A = 2 7 , A E R,and Ex = {v ER? | Av = Av]. (a) Prove that Ex is a subspace of R2. (b) Determine a basis of Es and E4 for the matrix A

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