Problem No.3 Г2 -3 -5 А- -1 4 5 1 -3 -4 Let -1 3 5 2 -2 -4 1 -3 -5 C= -1 1 -3 B= 4 -1 3 5 -4 Find: а) АВ b) ВА с) ВС d) СВ e) САВ f) СТ АВ 8) (AB)"C h) CTC i) ЗА + 4B - 5C )) C2— В2 + А? — 3І

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