part 4 of 8 question 4 of 8 1 2 let a 25 4 7 oa 1 2 1 ob 1 0 9 oc 1 0
Question
Part 4 of 8
Question 4 of 8
1 2
Let A = 25
.
4 7
OA [1 2 -1]
OB. [1
0-9]
OC. [1 0 0]
OD. [101]
OE. [109]
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1 Points
-1
2
and let B be the row-reduced echelon form of A. Find the first row of matrix B.
