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K-1 (Fiancé) Visas: Domestic Violence and Abuse
May 7, 2019 — A K-1 visa is for the foreign-citizen fiancé of a United States citizen. This allows the foreign-citizen fiancé to travel to the United States.
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Nonimmigrant Visa for a Fianc(é)e (K-1) - travel.gov
The Second Step: Applying for a Visa — Eligible children of K-1 visa applicants may apply for K-2 visas. Separate applications must be submitted ...
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Basel problem - Wikipedia
The Basel problem is a problem in mathematical analysis with relevance to number theory, concerning an infinite sum of inverse squares.
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