b> A > 0 proves B-A / b

The left and right are (B-A) / B, the middle is (LNB) / A or ln (B / a)

RELATED INFORMATIONS

1. Let a and B be positive numbers, and prove the following inequality (1.) B / A + A / b ≥ 2 (2.) a + 1 / a ≥ 2
2. Prove the inequality a ^ 5 + B ^ 5 ≥ a ^ 3B ^ 2 + A ^ 2B ^ 3 (a > 0, b > 0)
3. A proof of mathematical inequality P ≥ 0, Q ≥ 0, P + q = 1 AP + BQ and √ (A & # 178; P + B & # 178; q) ratio
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6. Prove 1-p (a ~) - P (b ~)
7. FX = x (1-x & # 178;) for fixed value (mean inequality)
8. The range of y = x + x-3 / 1 (x is greater than 3) is determined by means inequality method
9. Given that X and y are greater than zero. 1 / x + 2 / y + 1 = 2, then the minimum value of 2x + y is the mean inequality,
10. Mean inequality when 0
11. Given a set, a = {x | X & # 178; - # 8722; 1} = 0, then the following formula is correct () ①1∈A ②{-1}∈A ③φ ⊆A④{ 1,−1}⊆A A. 1 B.2 C.3 D.4 That box is about subsets of symbols, I do not know how to make summer self-study Especially the third one is not to be added{
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13. It is known that a is the smallest positive integer, B and C are rational numbers, and have | 2 + a | + (a + C) & # 178; = 0. Find the value of 4AB + C / - a # 178; + C & # 178; + 4
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15. If a-178; - A
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