anonymous
  • anonymous
sorry i got caught up in a few things but i finally finished can you please check it for me @phi
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
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anonymous
  • anonymous
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phi
  • phi
For Q3, I would put parens around the first k+1 and it makes sense to simplify (k+1)+1 to k+2 so (k+1)(k+2)

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phi
  • phi
OK on the first part (but someone might want to see your algebra on Q2 )
phi
  • phi
Also, in Q3, the second line is not correct. the terms for n=2, 3, 4 ... do not exist for P1 in other words, it is just 2 = 1(1+1) 2 = 2
anonymous
  • anonymous
so what do i put
phi
  • phi
For Q2, it would be better to write it as a proof, which is much more formal. try to follow the exact steps in the posted example (see the original question)
phi
  • phi
P1: 2 = 2
anonymous
  • anonymous
oh ok
phi
  • phi
in Q2, at the end, once you get the formula using k, just say that this "proves the identity" for k = (n+1). do not put in = n(6n^2 -3n-1)/2 because that is confusing.
anonymous
  • anonymous
ok then for Q3 what was wrong

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