Consider the 5 × 5 matrix\(A = \left[ {\begin{array}{*{20}{c}} 1&2&3& – McqOptions

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1.	Consider the 5 × 5 matrix\(A = \left[ {\begin{array}{*{20}{c}} 1&2&3&4&5\\ 5&1&2&3&4\\ 4&5&1&2&3\\ 3&4&5&1&2\\ 2&3&4&5&1 \end{array}} \right]\).It is given that A has only one real eigenvalue. Then the real eigenvalue of A is
A.	-2.5
B.	0
C.	15
D.	25
Answer» D. 25

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