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We can find the inverse of a matrix by row reduction. Suppose matrix A is given and we wish to find dj1 d12 a13 bu h2 13 (1 0 0` its inverse B = A". Then, AB = E or | a21 a2 a23 || b1 bz2 b3 =| 0 1 0 0 0 1 a31 a32 A33 b31 b32 b33 a13 1 0 0 Form the augmented matrix a21 an az3 0 1 0 and carry out row reduction so that the left аз1 аз2 а33 00 1 ´1 0 0 bu b2 b13 0 b21 b2 b23 |. The 0 0 1 b31 b32 b33, hand side of the augmented matrix becomes a 3 × 3 identity matrix, 0 required matrix is the matrix remaining on the right hand side. ´-1 8 -2 Use this procedure to find the inverse of A =| -6 49 -10 -4 34 - 5

We can find the inverse of a matrix by row reduction. Suppose matrix A is given and we wish to find dj1 d12 a13 bu h2 13 (1 0 0` its inverse B = A". Then, AB = E or | a21 a2 a23 || b1 bz2 b3 =| 0 1 0 0 0 1 a31 a32 A33 b31 b32 b33 a13 1 0 0 Form the augmented matrix a21 an az3 0 1 0 and carry out row reduction so that the left аз1 аз2 а33 00 1 ´1 0 0 bu b2 b13 0 b21 b2 b23 |. The 0 0 1 b31 b32 b33, hand side of the augmented matrix becomes a 3 × 3 identity matrix, 0 required matrix is the matrix remaining on the right hand side. ´-1 8 -2 Use this procedure to find the inverse of A =| -6 49 -10 -4 34 - 5

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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We can find the inverse of a matrix by row reduction. Suppose matrix A is given and we wish to find dj1 d12 a13 bu h2 13 (1 0 0` its inverse B = A". Then, AB = E or | a21 a2 a23 || b1 bz2 b3 =| 0 1 0 0 0 1 a31 a32 A33 b31 b32 b33 a13 1 0 0 Form the augmented matrix a21 an az3 0 1 0 and carry out row reduction so that the left аз1 аз2 а33 00 1 ´1 0 0 bu b2 b13 0 b21 b2 b23 |. The 0 0 1 b31 b32 b33, hand side of the augmented matrix becomes a 3 × 3 identity matrix, 0 required matrix is the matrix remaining on the right hand side. ´-1 8 -2 Use this procedure to find the inverse of A =| -6 49 -10 -4 34 - 5
Transcribed Image Text:We can find the inverse of a matrix by row reduction. Suppose matrix A is given and we wish to find dj1 d12 a13 bu h2 13 (1 0 0` its inverse B = A". Then, AB = E or | a21 a2 a23 || b1 bz2 b3 =| 0 1 0 0 0 1 a31 a32 A33 b31 b32 b33 a13 1 0 0 Form the augmented matrix a21 an az3 0 1 0 and carry out row reduction so that the left аз1 аз2 а33 00 1 ´1 0 0 bu b2 b13 0 b21 b2 b23 |. The 0 0 1 b31 b32 b33, hand side of the augmented matrix becomes a 3 × 3 identity matrix, 0 required matrix is the matrix remaining on the right hand side. ´-1 8 -2 Use this procedure to find the inverse of A =| -6 49 -10 -4 34 - 5
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