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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):

Screen Shot 2018-05-07 at 2.00.15 pm.png

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

Is this the way to go about this?

Any help in the right direction would be very appreciated.

Screen Shot 2018-05-07 at 2.00.15 pm.png

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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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