1. matritsalar ustida amallar


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=256+6-18-216-32+4=266-266=0

Δ=0 Kramer teoremasiga ko’ra, sistema yoki aniqmas, yoki birgalikdamas. Δ1 ni hisoblaymiz:



= -128+24-128-2= -234≠0

Δ=0, Δ1≠0 bo’lgani uchun Kramer teoremasiga ko’ra sistema aniqlanmagan.



c) Kramer formulasiga ko’ra yeching.

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