If the system of equations x+4 y-z=\lambda, 7 x+9 y+\mu z=-3,5 x+y+2 z=-1 has infinitely many solutions, then (2 \mu .+3 \lambda) is equal to : [8 Apr 2024 Shift 2]

Matrices and Determinants Part 4

Section: Mathematics

Question : 56 of 58

Marks: +1, -0

If the system of equations x+4y−z=λ, 7x+9y+µz=−3,5x+y+2z=−1 has infinitely many solutions, then (2µ.+3λ) is equal to :

[8 Apr 2024 Shift 2]

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