The number of real values of λ for which the system of linear equations 2x+4y−\lambdaz=0 4x+\lambday+2z=0 \lambdax+2y+2z=0 has infinitely many solutions, is : [Main 8 April 2017]

Matrices and Determinants Part 1

Section: Mathematics

Question : 58 of 100

Marks: +1, -0

The number of real values of λ for which the system of linear equations
2x+4y−λz=0
4x+λy+2z=0
λx+2y+2z=0
has infinitely many solutions, is :

[Main 8 April 2017]

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