Perform the row operation
−
2
R
1
+
R
2
→
R
2
\displaystyle -{2}{R}_{{1}}+{R}_{{2}}\rightarrow{R}_{{2}}
−
2
R
1
+
R
2
→
R
2
on the matrix. Enter the resulting matrix as your answer.
[
5
7
−
5
1
−
5
−
8
]
\displaystyle {\left[\begin{array}{ccc} {5}&{7}&-{5}\\{1}&-{5}&-{8}\end{array}\right]}
[
5
1
7
−
5
−
5
−
8
]
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Question 6
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Enter your answer as a matrix, like [(2,3,4),(1,4,5)]
Enter each element of the matrix as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)