Agebraik to’ldiruvchilardan matritsa yasaymiz:  endi buni transponerlaymiz: 
Bu matritsaga dastlabki matritsaning determinantini teskari ko’paytiramiz: 1/3×=
3. Matritsali tenglamani ishlang.
a)  × X =  → X=-1 × =  × =
b)  ×X×= → X= -1×-1×=
4. f(x)=2x2-3x+4 f(A) ni toping agar A=
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