Question

Determinant of the coefficient matrix (A) is what

Answer 1

Answer:

Linear Systems of Two Variables and Cramer's Rule. The determinant. of a 2×2 matrix, denoted with vertical lines |A|, or more compactly as det(A), is defined as follows: The determinant is a real number that is obtained by subtracting the products of the values on the diagonal.

Step-by-step explanation:

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