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![Solved 1. Beats (a) [1pts] A piano string and an A-440 | Chegg.com](https://d2vlcm61l7u1fs.cloudfront.net/media%2Fb46%2Fb467777d-66ae-45b2-b872-3f73e9248c3f%2FphpSAlWLs.png "Solved 1. Beats (a) [1pts] A piano string and an A-440 | Chegg.com")
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