CUET and UG exam CUET UG 2025 Mock Test Series Mathematics Determinants

If the system of linear equations x + y + z = 2, 2x + y - z = 3 and 3x + 2y + kz = 4 has a unique solution, then:

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