The eigen values of the matrix left begin array 20 c...

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The eigen values of the matrix \[\left[ {\begin{array}{*{20}{c}} 4&{ - 2} \\ { - 2}&1 \end{array}} \right]\]

A. are 1 and 4

B. are -1 and 2

C. are 0 and 5

D. cannot be determined

Answer: Option C

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