Maths Olympiad Prep

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Algebra Difficulty 5.4 AIME, harder Prove it Philippines

Problem:

Let xx and yy be positive real numbers such that x+2y=8x + 2y = 8. Determine the minimum value of
x+y+3x+92y x + y + \frac{3}{x} + \frac{9}{2y}

Solution

Solution:

8

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Source: MathNet, licensed CC-BY-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.