Mathematics · Determinants and Probability
Let n be the number obtained on rolling a fair die. If the probability that the system of linear equations: 2x - ny + z = 5 x + (n - 3)y + (n + 2)z = 7 (n - 2)y + z = 2 has a unique solution is k6, then the value of k is:
- 15✓
- 24
- 36
- 42
Correct answer
5
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