The system of linear equations x + y + z = 2 2x + y - z = 3 3x + 2y + kz = 4 has a unique…

Mathematics · JEE Main · NTA Exams — Matrices and Determinants

1. k ≠ 0
2. - 1 < k < 1
3. - 2 < k < 2
4. k = 0

Answer

(C) - 2 < k < 2

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