A row operation is performed on a matrix as shown below.
[ 2 -1 1 | 4 ] [0 -3 x | -18 ]
[ 1 1...
Mathematics, 13.05.2021 01:00 marenh04938
A row operation is performed on a matrix as shown below.
[ 2 -1 1 | 4 ] [0 -3 x | -18 ]
[ 1 1 1 | 11 ] --> [ 1 1 1 | 11 ]
[4 -2 2 | 5 ] [4 -2 2 | 5 ]
What is the value of x?
a. -2
b. -1
c. 0
d. 3
Answers: 3
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