The matrix left begin array 20 c 1&2&4 3&0&6 1&1& text...

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The matrix \[\left[ {\begin{array}{*{20}{c}} 1&2&4 \\ 3&0&6 \\ 1&1&{\text{p}} \end{array}} \right]\] has one eigen value equal to 3. The sum of the other two eigen values is

A. p

B. p - 1

C. p - 2

D. p - 3

Answer: Option C

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