Math Problem Statement
用你的学号构造一个3*4的矩阵,202314020214构造的矩阵第一行为2023,第2行尾1402,第3行为0214,写出该矩阵,并计算该矩阵的代数余子式A23的值。
Solution
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Math Problem Analysis
Mathematical Concepts
Matrix
Algebraic Cofactor
Determinant
Formulas
Determinant of 2x2 matrix: det(A) = ad - bc
Algebraic cofactor: A_ij = (-1)^(i+j) * det(M_ij)
Theorems
Cofactor Expansion (Laplace Expansion)
Suitable Grade Level
Grades 10-12