Jika A === , B === , C === maka (A −-− B −-− C)T === ....
Diketahui
A === , B ===, C ===
Ditanya:
(A −-− B −-− C)T=== ?
Jawab:
Jika A === , B ===
Rumus umum pengurangan dua matriks
A −-− B === −-−
===
Bentuk matriks transpos A
AT ===
Dengan demikian,
Cari hasil (A −-− B −-− C)
(A −-− B −-− C) === −-− −-−
(A −-− B −-− C)T ===