Fundamentholfundamenthol
JEE Main2019Math
Q.

The set of all values of for which the system of linear equations

x – 2y – 2z = x

x + 2y + z = y

–x – y = z

(has a non-trivial solution)

  1. A

    Contains exactly two elements

  2. B

    Contains more than two elements

  3. C

    Is a singleton

  4. D

    Is an empty set

Solution

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