1.

If the product of two eigen values of the matrix \(\begin{bmatrix} 6 & -2 & 2 \\\ -2 & 3 & -1 \\\ 2 & -1 & 3 \end{bmatrix}\) is 16, then third eigen value is

A. 2
B. -2
C. 36
D. 6
Answer» B. -2


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