Perform the Indicated Elementary Row Operations A) $\left[\begin{array}{rrr}-3 & 7 & 1 \\63 & 53 & -40 \\10 & 8 & -5\end{array}\right]$

question 306

Multiple Choice

Perform the indicated elementary row operations.
- $\begin{array}{l}\text { (6) } \mathrm{R}_{2}+\mathrm{R}_{3}\\\left[\begin{array}{rrr}-3 & 7 & 1 \\3 & 5 & -10 \\10 & 8 & -5\end{array}\right]\end{array}$

• A)\(\left[\begin{array}{rrr}
• -3 & 7 & 1 \\
• 63 & 53 & -40 \\
• 10 & 8 & -5
• \end{array}\right]\)
• B)\(\left[\begin{array}{rrr}
• -3 & 7 & 8 \\
• 3 & 5 & -5 \\
• 10 & 8 & 3
• \end{array}\right]\)
• C)\(\left[\begin{array}{rrr}
• -3 & 7 & 43 \\
• 3 & 5 & 20 \\
• 10 & 8 & 43
• \end{array}\right]\)
• D)\(\left[\begin{array}{rrr}
• -3 & 7 & 1 \\
• 3 & 5 & -10 \\
• 28 & 38 & -65
• \end{array}\right]\)

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