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# I am trying to understand how to go about answering this question. So far I have (which I am in no way confident about):

I am trying to understand how to go about answering this question...

So far I have (which I am in no way confident about):

1. When n=1, we have 1^2=1 and (1+1)(2^1+1)(2^1+3)/3=10

Any help in the right direction would be very appreciated.

To prove by induction, show that the formula works for n = 1, and that if the formula works for n, then it must work for n +... View the full answer

1 comment
• The second last line of the answer has a typo and should be: (4n^3 + (12+12)n^2 + (11+36)n + (3+27)) / 3 = (4n^3 + 24n^2 + 47n + 30) / 3
• onteria
• May 07, 2018 at 12:30am

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