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IR-MO-R2 2020 Problem 3

    let ω1\omega_1 be a circle with O1O_1 as its center , let ω2\omega_2 be a circle passing through O1O_1 with center O2O_2 let AA be one of the intersection of ω1\omega_1 and ω2\omega_2 let xx be a line tangent line to ω1\omega_1 passing from AA let ω3\omega_3 be a circle passing through O1,O2O_1,O_2 with its center on the line xx and intersect ω2\omega_2 at PP (not O1O_1 ) prove that the reflection of PP through xx is on ω1\omega_1

    Dataset text AI-MO AoPS. Quoted with source.

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