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Question

What is nth term?


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Solution

The nth term is a formula used to find any term of a sequence, where n stands for the term number.

Formulas:

  1. For nth term of an arithmetic sequence: an=a+n-1d , where a is the first term and d is a common difference.
  2. For nth term of a geometric sequence: an=arn-1 , where a is the first term and r is a common ratio.
  3. For nth term of a harmonic sequence: an=1a+n-1d , where a is the first term and d is a common difference.

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