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The error detection method that involves polynomials is known as Cyclic Redundancy Check (CRC). In CRC, data is treated as a polynomial and divided by a predetermined generator polynomial, with the remainder serving as the checksum. This checksum is appended to the data before transmission, allowing the receiver to perform the same polynomial division to check for errors. If the remainder matches, the data is considered error-free; otherwise, an error is detected.

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