Swapping rows alters the sign of the determinant:
Multiplying a single row by a scalar scales the determinant by the same amount:
Then
Plzzzzzzzz help me worth 20 points what is: - 5 1/4- [-7 1/2] =
2 answers:
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Swapping rows alters the sign of the determinant:
Multiplying a single row by a scalar scales the determinant by the same amount:
Then