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MathNet 2008-part-05 — 164 problems (EN–VI) Question 19

Math Olympiad Vault · MathNet 2008-part-05 — 164 problems (EN–VI)

Question 19

Solve the equation
$$
\sqrt{x+\sqrt{4 x+\sqrt{16 x+\sqrt{\ldots+\sqrt{4^{2008} x+3}}}}}-\sqrt{x}=1
$$
Express your answer as a reduced fraction with the numerator and denominator written in their prime factorization.