In matrix algebra, what is the value of a-b if the eigenvector of ( begin{pmatrix}1&1&1 1&1&1 1&1&1 end{pmatrix} ) corresponding to eigenvalue three is ( begin{pmatrix}a b a end{pmatrix} )?

In matrix algebra, what is the value of a-b if the eigenvector of ( b

1.	In matrix algebra, what is the value of a-b if the eigenvector of ( begin{pmatrix}1&1&1 1&1&1 1&1&1 end{pmatrix} ) corresponding to eigenvalue three is ( begin{pmatrix}a b a end{pmatrix} )?
A.	0
B.	1
C.	2
D.	3
Answer» B. 1

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In matrix algebra, what is the value of a-b if the eigenvector of ( begin{pmatrix}1&1&1 1&1&1 1&1&1 end{pmatrix} ) corresponding to eigenvalue three is ( begin{pmatrix}a b a end{pmatrix} )?

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