The vector \(\left[ {\begin{array}{*{20}{c}}1\\2\\{ - 1}\end{array}} \right]\) is an eigenvalue of \(A = \left[ {\begin{array}{*{20}{c}}{ - 2}&2&{ - 3}\\2&1&{ - 6}\\{ - 1}&{ - 2}&0\end{array}} \right]\)One of the eigenvalues of A is

The vector \(\left[ {\begin{array}{*{20}{c}}1\\2\\{ - 1}\end{array}} \

1.	The vector \(\left[ {\begin{array}{{20}{c}}1\\2\\{ - 1}\end{array}} \right]\) is an eigenvalue of \(A = \left[ {\begin{array}{{20}{c}}{ - 2}&2&{ - 3}\\2&1&{ - 6}\\{ - 1}&{ - 2}&0\end{array}} \right]\)One of the eigenvalues of A is
A.	1
B.	2
C.	5
D.	7
Answer» D. 7