SOLUTION: Perform in order (a), (b), and (c) on the augmented matrix.
(a) R2= -2r1 + r2
(b) R3= -2r1 + r3
(c) R3= 6r2 + r3
[1 -3 -5 | -2]
[2 -5 -4 | 5]
[2 5 4 | 6]
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Question 824992: Perform in order (a), (b), and (c) on the augmented matrix.
(a) R2= -2r1 + r2
(b) R3= -2r1 + r3
(c) R3= 6r2 + r3
[1 -3 -5 | -2]
[2 -5 -4 | 5]
[2 5 4 | 6]
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
Now just do what it says:
means: Replace row 2 with the sum of (-2 times row 1) and row 2.
means: Replace row 3 with the sum of (-2 times row 1) and row 3.
means: Replace row 3 with the sum of (6 times row 2) and row 3.
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