Given the explicit formula of an arithmetic sequence to determine the 38th term

The video tutorial explains how to identify and work with arithmetic sequences. It begins by confirming the sequence is arithmetic and identifying the common difference. The teacher then discusses two methods to find the 38th term: iteratively adding the common difference or using the explicit formula. The explicit formula is emphasized for efficiency, especially in complex problems. The teacher demonstrates the formula's application, showing how to calculate the 38th term, which results in 224.

What is the first term in the sequence mentioned in the text?

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Calculate the 38th term of the sequence using the explicit formula provided.

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