TS ICET 23 May 2019 Shift 2 Paper

Question : 133 of 200

Marks: +1, -0

The system of equations:
x + y + z = 3
2x + 5y + 4z = 11
5x + 2y + z = 10 has

Solution:

|A|=|\table 1 , 1 , 1 ; 2 , 5 , 4 ; 5 , 2 , 1| ≠ 0

∴ The given equations has unique solution

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