For a natural number n, let C, = {(aij) E M„(R): a;j = aki for all i, j,k,1 such that j-i=,l – k}. (a) Exactly one of the two matrices below is an element of C3. Which one? (0 1 2 A1 = |1 2 0 2 0 2 0 1 2 A2 1 1.

Elementary Linear Algebra (MindTap Course List)
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Chapter2: Matrices
Section2.1: Operations With Matrices
Problem 77E
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For a natural number n, let
C, = {(aij) E M„(R): a;j
= aki for all i, j,k,1 such that j-i=,l – k}.
(a) Exactly one of the two matrices below is an element of C3. Which one?
0 1 2V
A1 = |1 2 0
2 0 1
0 1 2
A2 = |2 0 1
1 2 0/
(b) Let A be the matrix you chose in part (a). Compute A?. Check that A? e C3, and
write out a brief explanation (one or two sentences is enough) explaining how
you checked.
Transcribed Image Text:For a natural number n, let C, = {(aij) E M„(R): a;j = aki for all i, j,k,1 such that j-i=,l – k}. (a) Exactly one of the two matrices below is an element of C3. Which one? 0 1 2V A1 = |1 2 0 2 0 1 0 1 2 A2 = |2 0 1 1 2 0/ (b) Let A be the matrix you chose in part (a). Compute A?. Check that A? e C3, and write out a brief explanation (one or two sentences is enough) explaining how you checked.
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