Teaching HTET PRT - Level 1 Mock Test Series 2024 Mathematics Quadratic Equations

यदि समीकरण x2 + 2 (k + 1) x + 9k - 5 = 0 के केवल ऋणात्मक मूल हैं, तो

1
k ≤ 0
2
k ≥ 0
3
k ≥ 6
4
k ≤ 6
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