Can a set of six numbers $\left\{a, b,c, \frac{a^2}{b} , \frac{b^2}{c} , \frac{c^2}{a} \right\}$ , where $a, b, c$ positive numbers, turn out to be exactly exactly three different numbers?
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Tags: number theory
Can a set of six numbers $\left\{a, b,c, \frac{a^2}{b} , \frac{b^2}{c} , \frac{c^2}{a} \right\}$ , where $a, b, c$ positive numbers, turn out to be exactly exactly three different numbers?