Cho ma trận
A
là ma trận vuông cấp ba mà mọi phần tử thuộc đường chéo chính bằng
khôn...
Mathematics, 18.10.2021 14:00 anonymous12443535
Cho ma trận
A
là ma trận vuông cấp ba mà mọi phần tử thuộc đường chéo chính bằng
không, các phần tử khác bằng 1.
1)
I
là ma trận đơn vị cấp ba. Xác định các số thực
, ab
sao cho ma trận
P aA bI
thỏa mãn hệ thức
2 P I .
2) Tìm ma trận
P .
Answers: 3
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