How do you get a formula of the nth term for this sequence: 1, 1/2, 3, 1/4, 5, 1/6...?

sdentatoiz

sdentatoiz

Answered question

2022-09-07

How do you get a formula of the nth term for this sequence: 1, 1/2, 3, 1/4, 5, 1/6...?

Answer & Explanation

Maggie Tanner

Maggie Tanner

Beginner2022-09-08Added 18 answers

Use alternating positive and negative exponents on −1 will cause the value to "flip" every other term:
a n = n ( - 1 ) n + 1
Notice the sequence has alternating reciprocals.

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