Soal dan jawaban invers matriks ordo 2×2 3nomer, ordo 3×3 2nomer Tlg bantu

M { 1 3 2 }
{ 2 2 -1 }
{ 0 1 3 }
|M| = {1 3 2 1 3 }
{ 2 2 -1 2 2 }
{ 0 1 3 0 1 }
|M|= (6+0+4)-(0+(-1)+18)
= 10-17 = -7