-2 1 1 -1 -3 1 -2 are operations R2 = -2R1 + R2 and R3 = 3R1 + R3 used to convert the 2 and 3 in the first column to 0. Note that in both equations (i.e., row operations), the rows are being added (not subtracted). In other words, the correct format is R2=-2R1 + R2 , not R2= R2-2R1. You are expected to do the same below. As an example, in matrix Now, given the matrix 12 1 1 4 2 -2 4 0 2 -4 - the two row Enter in the box below the row operation that would accomplish the same thing for the second row (please avoid entering a blank space in your answer). Enter in the box below the row operation that would accomplish the same thing for the third row.
-2 1 1 -1 -3 1 -2 are operations R2 = -2R1 + R2 and R3 = 3R1 + R3 used to convert the 2 and 3 in the first column to 0. Note that in both equations (i.e., row operations), the rows are being added (not subtracted). In other words, the correct format is R2=-2R1 + R2 , not R2= R2-2R1. You are expected to do the same below. As an example, in matrix Now, given the matrix 12 1 1 4 2 -2 4 0 2 -4 - the two row Enter in the box below the row operation that would accomplish the same thing for the second row (please avoid entering a blank space in your answer). Enter in the box below the row operation that would accomplish the same thing for the third row.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.9: Properties Of Determinants
Problem 11E
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