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MathNet 2026 — Part 08 Question 106

Math Olympiad Vault · MathNet 2026 — Part 08

Question 106

Define
$$
A = 1 + \frac{1}{2 + \frac{1}{3 + \frac{1}{4 + \ddots_{+} \frac{1}{2006 + \frac{1}{2007}}}}} \text{ and } B = 1 + \frac{1}{2 + \frac{1}{3 + \frac{1}{4 + \ddots + \frac{1}{2005 + \frac{1}{2006}}}}}
$$
Which of the two numbers is greater, $A$ or $B$? Explain your answer!