Question

Solve this:

Q. 13. Let S be the set of all real values of k for which the system of linear equations.
x + y +z =2
2x + y - z =3
3x +2y +kz =4
has a unique solution. Then S is :
Option
1. an empty set
2. equal to {0}
3. equal to R
4. equal to R - {0}

Answer 1

Answer:

Step-by-step explanation:

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