jcutler2391 jcutler2391
  • 23-01-2024
  • Mathematics
contestada

How many 3×3 matrices M with entries from {0,1,2} are there, for which the sum of the diagonal entries of MᵀM is 5?
A. 126.
B. 198.
C. 162.
D. 135

Respuesta :

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