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3 January, 16:04

When using an augmented matrix to solve a system of equations, which of these is NOT an allowable elementary row operation?

A. square or take the square root of any row

B. multiply a row by a nonzero constant

C. switch by any two rows

D. replace a row with the sum or difference of that row and another row

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Answers (1)
  1. 3 January, 19:56
    0
    I think the answer is D I'm not sure
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