`2/1, 3/3, 4/5, 5/7, 6/9` Write an expression for the apparent nth term of the sequence. (assume that n begins with 1)

Expert Answers

An illustration of the letter 'A' in a speech bubbles

The numerators are an arithmetic sequence with the difference 1, the denominators -- of the difference 2. The resulting formula is

`a_n= (n+1)/(2n-1)` .

Approved by eNotes Editorial Team