Fundamentholfundamenthol
JEE Main2019Math
Q.

Let be a real number for which the system of linear equations

x + y + z = 6

4x + y – z = – 2

3x + 2y – 4z = – 5

has infinitely many solutions. Then is a root of the quadratic equation : 

  1. A

    2 + 3 – 4 = 0

  2. B

    2 – – 6 = 0

  3. C

    2 + – 6 = 0

  4. D

    2 – 3 – 4 = 0 

Solution

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