1.

Let λ be a real number for which the system of linear equations x+y+z=6 4x+λy−λz=λ−2 3x+2y−4z=−5 has infinitely many solutions. Then λ is a root of the quadratic equation :

Answer»

Let λ be a real number for which the system of linear equations
x+y+z=6
4x+λyλz=λ2
3x+2y4z=5
has infinitely many solutions. Then λ is a root of the quadratic equation :



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