tolong dijawab lagi ka pakai cara

Transposenya
| 2 5 1 |
| -3 0 4|
| 6 -2 -4|
a12: baris 1 kolom 2 = 5
a31: baris 3 kolom 1 = 6
Sehingga
a12 - a31 = 5 - 6 = -1 ........(c)