Preview question: recapitulare matrice

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Asociaţi matricelor A= $open parentheses table row cell negative 3 end cell 0 2 row 3 cell negative 2 end cell cell negative 4 end cell row 0 2 cell negative 4 end cell end table close parentheses$ şi B= $open parentheses table row cell negative 1 end cell 4 cell negative 4 end cell row 4 cell negative 2 end cell cell negative 4 end cell row cell negative 4 end cell 4 2 end table close parentheses$ matricea răspuns corectă pentru operaţiile de mai jos:

A² + B²	Answer 1
A · A^T+ B · B^T	Answer 2
2 · A · B - 3 · B · A	Answer 3
3A - 2B	Answer 4

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Behaviour being used: Adaptive mode

Minimum fraction: 0

Question summary: Asociaţi matricelor A=[[-3,0,2],[3,-2,-4],[0,2,-4]] şi B=[[-1,4,-4],[4,-2,-4],[-4,4,2]] matricea răspuns corectă pentru operaţiile de mai jos: {A2 + B2; A · AT + B · BT; 2 · A · B - 3 · B · A; 3A - 2B} -> {[[-7,-8,14],[1,-2,-4],[8,-2,-16]]; [[46,-13,4],[-13,65,-20],[4,-20,56]]; [[42,-24,-34],[-11,0,14],[18,-28,12]]; [[-55,40,38],[64,12,-120],[-24,-28,64]]}

Right answer summary: A2 + B2 -> [[42,-24,-34],[-11,0,14],[18,-28,12]]; A · AT + B · BT -> [[46,-13,4],[-13,65,-20],[4,-20,56]]; 2 · A · B - 3 · B · A -> [[-55,40,38],[64,12,-120],[-24,-28,64]]; 3A - 2B -> [[-7,-8,14],[1,-2,-4],[8,-2,-16]]

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