lengoc851999 lengoc851999
  • 22-07-2021
  • Mathematics
contestada

cho A là ma trận vuông cấp 2 và detA=11, Khi đó det(3A)=

Respuesta :

binious13 binious13
  • 22-07-2021
3^2. DetA = 9.11 = 99
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