Question

What is the value of the determinant * ​

Answer 1

(5 × - 4)- (-7×3)

= -20 +21

= 1

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Answer 2

Answer:

denoted det a

Step-by-step explanation:

Determinant, in linear and multilinear algebra, a value, denoted det A, associated with a square matrix A of n rows and n columns. Designating any element of the matrix by the symbol arc (the subscript r identifies the row and c the column), the determinant is evaluated by finding the sum of n!