Consider the matrix: 1 2 4 A= 2 5 -2 -1 2 1 (a) Reduce A to upper triangular form using elimination steps. (b) Write down the matrices E21, E31, E32 that turn A into triangular form. (c) Write down the matrix E such that EA is upper triangular.
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- Question is below:
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Solution:
Given matrix is as follows:
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