If A=[(2,2,1),(1,3,1),(1,2,2)] and the ...

If `A=[(2,2,1),(1,3,1),(1,2,2)]` and the sum of eigen values of A is m anda product of eigen values of A is n, then m+n is equal to

A

10

B

12

C

14

D

16

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The correct Answer is:

B

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