fordkenae
23.01.2021 •
Mathematics
Given matrices S and T below, which statement is true?
Matrices S and T are not inverses of each other because S+T I.
Matrices S and T are inverses of each other because ST = TS = I.
Matrices S and T are inverses of each other because the determinant of S is 1.
Matrices S and T are not inverses of each other because the determinant of S equals the determinant of T.
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Ответ:
#7 is multiple
#8. Swiss total price would be $ 16.90 and total for Colby would be $ 18.97
So least expensive is Swiss.