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Write an explicit formula for 
a_(n), the 
n^("th ") term of the sequence 
27,29,31,dots.
Answer: 
a_(n)=

Write an explicit formula for an a_{n} , the nth  n^{\text {th }} term of the sequence 27,29,31, 27,29,31, \ldots .\newlineAnswer: an= a_{n}=

Full solution

Q. Write an explicit formula for an a_{n} , the nth  n^{\text {th }} term of the sequence 27,29,31, 27,29,31, \ldots .\newlineAnswer: an= a_{n}=
  1. Identify pattern: Identify the pattern in the sequence.\newlineThe sequence starts at 2727 and each term increases by 22. This is an arithmetic sequence with a common difference of 22.
  2. Determine first term: Determine the first term (a1a_1) of the sequence.\newlineThe first term of the sequence is 2727.
  3. Find common difference: Determine the common difference dd of the sequence.\newlineThe common difference is the amount added to each term to get to the next term, which is 22.
  4. Write nth term formula: Write the formula for the nth term of an arithmetic sequence.\newlineThe nth term ana_n of an arithmetic sequence with the first term a1a_1 and common difference dd is given by:\newline$a_n = a_1 + (n - \(1\))d
  5. Substitute values: Substitute the values of \(a_1\) and \(d\) into the formula.\(\newline\)\(a_1 = 27\) and \(d = 2\), so the formula becomes:\(\newline\)\(a_n = 27 + (n - 1) \times 2\)
  6. Simplify formula: Simplify the formula. \(a_n = 27 + 2n - 2\) \(a_n = 25 + 2n\)

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