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Chapter 4: Q. 4.79 (page 437)

Perform the needed row operation that will get the first entry in row 2to be zero in the augmented matrix:1-123-62

Short Answer

Expert verified

Multiply row 1by -3and then add it to row 2.

1-120-3-4

Step by step solution

01

Step 1. Given Information.

Given augmented matrix is1-123-62

02

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

To make the 3to 0, we could multiply row 1by -3and then add it to row 2.

role="math" localid="1644470898545" 1-123-62鈫�-3R1+R21-120-3-4

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