Q.
The solution of the system of equations whose augmented matrix 1112123131−54
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a
x=3,y=1,z=1
b
x=4,y=−3,z=1
c
x=1,y=1,z=1
d
x=7,y=−10,z=4
answer is B.
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Detailed Solution
The system of equation is x+y+z=2x+2y+3z=13x+y−5z=4 By verification x=4,y=−3,z=1 is the solution.
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