tamle206404 tamle206404
  • 08-10-2022
  • Mathematics
contestada

Bài 1.5 Tính hạng của các ma trận:

1.

1 2 1 −1 0
2 −1 1 3 4
2 −1 2 1 −2
2 −3 1 2 −2
−4 1 −3 1 8

,
2.

25 31 17 43
75 94 53 132
75 94 54 134
25 32 20 48

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