Question 1

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Fie matricea A=open parentheses table row cell negative 2 end cell 3 cell negative 2 end cell row 3 cell negative 2 end cell cell negative 3 end cell row 2 2 cell negative 2 end cell end table close parentheses.  Precizaţi care este matricea open parentheses straight A to the power of straight T close parentheses squared minus 2 straight A.

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