In matrix algebra, what is the eigenvalue of the matrix ( begin{pmatrix} 1&1&1 1&1&1 1&1&1 end{pmatrix} )?

In matrix algebra, what is the eigenvalue of the matrix ( begin{pmatr

1.	In matrix algebra, what is the eigenvalue of the matrix ( begin{pmatrix} 1&1&1 1&1&1 1&1&1 end{pmatrix} )?
A.	1
B.	2
C.	3
D.	4
Answer» D. 4

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In matrix algebra, what is the eigenvalue of the matrix ( begin{pmatrix} 1&1&1 1&1&1 1&1&1 end{pmatrix} )?

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