SOLUTION: Given the sequence 2,6,12...,derive the formula f(n) for the nth term

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Question 419143: Given the sequence 2,6,12...,derive the formula f(n) for the nth term
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Given the sequence 2,6,12...
f%5Bn%5D+=+n%28n%2B1%29
f%5B1%5D+=+1%281%2B1%29=+2
f%5B2%5D+=+2%282%2B1%29=+6
f%5B3%5D+=+3%283%2B1%29=+12
etc