Asked by Kate
For the sequence 0,3,8,15,24,35....
find a formula for tsubn in terms of n.
find a formula for tsubn in terms of n.
Answers
Answered by
Steve
the differences are 3,5,7,9,11
the sum of the first n odd numbers is n^2, so that gives us a clue
Tn = n^2 - 1
the sum of the first n odd numbers is n^2, so that gives us a clue
Tn = n^2 - 1
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