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16 en the following coefficient matrix A, and cofactor matrix C 2 1 1 5 C12 -77 A= 3 2 1 C=-3 -3 2 4 2-1 2 -1 1 C33 Find: 10 06 13 a) The rest of the cofactors (C12, C33). I Instructions for the answer: Type only answers for C12, C33 in the same order and separate them by a comma. For example, 12, 15 b) The determinant of A' Instructions for the answer: Type only answers for the determinant. For example, 12 c) The adjoint of A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4 d) The inverse of matrix A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4

16 en the following coefficient matrix A, and cofactor matrix C 2 1 1 5 C12 -77 A= 3 2 1 C=-3 -3 2 4 2-1 2 -1 1 C33 Find: 10 06 13 a) The rest of the cofactors (C12, C33). I Instructions for the answer: Type only answers for C12, C33 in the same order and separate them by a comma. For example, 12, 15 b) The determinant of A' Instructions for the answer: Type only answers for the determinant. For example, 12 c) The adjoint of A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4 d) The inverse of matrix A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 26E
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16 en the following coefficient matrix A, and cofactor matrix C 2 1 1 5 C12 -77 A= 3 2 1 C=-3 -3 2 4 2-1 2 -1 1 C33 Find: 10 06 13 a) The rest of the cofactors (C12, C33). I Instructions for the answer: Type only answers for C12, C33 in the same order and separate them by a comma. For example, 12, 15 b) The determinant of A' Instructions for the answer: Type only answers for the determinant. For example, 12 c) The adjoint of A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4 d) The inverse of matrix A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4
Transcribed Image Text:16 en the following coefficient matrix A, and cofactor matrix C 2 1 1 5 C12 -77 A= 3 2 1 C=-3 -3 2 4 2-1 2 -1 1 C33 Find: 10 06 13 a) The rest of the cofactors (C12, C33). I Instructions for the answer: Type only answers for C12, C33 in the same order and separate them by a comma. For example, 12, 15 b) The determinant of A' Instructions for the answer: Type only answers for the determinant. For example, 12 c) The adjoint of A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4 d) The inverse of matrix A Instructions for the answer: Type only all three entries in the last column and separate them by a comma. For example, -1, 3, 4
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