-b12
b.,
|B| = b,,b22-b12b21
bMb22 - b12b21 b 2!
b 11 b 22 — b 12 b 21
A * B_I =
aitb22 a!2b21 b 11b 22 — b 12 b 21 a21b22-a22b21 bllb22 “ b 1 2 b 21
— ailb12 +ai2bll b 11 b 22 ~~ b 12 b 21
— a21b12 +a22bll b 11b 22 _ b 12 b 21
A / B = [3 -1 4-1]
tablic wartości
A./B =
bll b12
b21 b 22
A. / B = [1 2 13]
2. / B = [2 2 12]
2 / B - działania nie można wykonać
c) potęgowanie
macierzy
AA3 = A*A*A
AA3 = [21 34