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Chapter 4: Q. 4.80 (page 437)

Perform the needed row operation that will get the first entry in row 2to be zero in the augmented matrix:role="math" localid="1644471362101" 1-13-2-32

Short Answer

Expert verified

Multiply row 1by 2and add it to row 2.

1-130-58

Step by step solution

01

Step 1. Given Information.

Given augmented matrix is1-13-2-32

02

Step 2. Making first entry in row 2 to zero.

To make the -2to 0, we could multiply row 1by 2and then add it to row 2.

1-13-2-32鈫�2R1+R21-130-58

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