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MathNet 2026 — Part 07 Question 81

Math Olympiad Vault · MathNet 2026 — Part 07

Question 81

If $x$ satisfies $\frac{\log_{2} x}{\log_{2} 2x - \log_{8} 2} = 3$, the value of $1 + x + x^{2} + x^{3} + x^{4} + \cdots$ is
  1. 1
  2. 2
  3. $\frac{1}{2}$
  4. the value does not exist