Invers matriks p = (3 -4) Adalah 2 -1

Dik :
p = (3 -4)
(2 -1)
Dit: invers?

Jawab:
p = (3 -4)
(2 -1)
p-1 = (-1 4)
(-2 3)
= (-1×3) - (4×(-2))
= -3 - (-8)
= -3 + 8
= 5


Semoga membantu.