Which of the following inequalities are NOT correct? (A) If a > 1, b > 1, then log_b a + log_a b ≤ 2 (B) For any real number x, (9^x + 9^1-x) ≥ 9 (C)…
CUET UG 2025 — Mathematics Algebra
Which of the following inequalities are NOT correct?
(A) If a>1,b>1, then logba+logab≤2
(B) For any real number x,(9x+91−x)≥9
(C) If a,b,c are non-zero real numbers of the same sign, then (ba+cb+ac)≤3
(D) If a,b,c are three distinct real numbers, then (a+b)(b+c)(c+a)≥8abc
Choose the correct answer from the options given below:
Held on 14 May 2025 · Verified 13 Jul 2026.
Options
- A
(A), (B) and (D) only
- B
(A), (B) and (C) only
- C
(C) and (D) only
- D
(B), (C) and (D) only
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