If \({\rm{A}} = \left( {\begin{array}{*{20}{c}} { - 2}&2\\ 2&{ - 2} \end{array}} \right)\), then which one of the following is correct?

If \({\rm{A}} = \left( {\begin{array}{*{20}{c}} { - 2}&2\\ 2&{ - 2} \e

1.	If \({\rm{A}} = \left( {\begin{array}{*{20}{c}} { - 2}&2\\ 2&{ - 2} \end{array}} \right)\), then which one of the following is correct?
A.	A2 = -2A
B.	A2 = -4A
C.	A2 = -3A
D.	A2 = 4A
Answer» C. A2 = -3A