Math Problem Statement
selesaikan sistem persamaan berikut ini dengan cara Crammer dan carilah invers matriks serta adjoinnya: 2x2 - x2 + 3x3 = 1 3x1 + x2 - ×3 =2 x1 + 2x2 + 3x3 =-6
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Matrix Theory
Cramer's Rule
Matrix Inversion
Adjoint
Formulas
Cramer's Rule: x_i = det(A_i) / det(A)
Matrix Inverse: A^(-1) = (1 / det(A)) * adj(A)
Adjoint Matrix: adj(A) = transpose(cofactor(A))
Theorems
Cramer's Rule
Determinant and Inverse Theorem
Suitable Grade Level
Undergraduate Level
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