anonymous
  • anonymous
An infinite Series Sn has partial sum formula Pn = (2n+1)/(1-3n) converge?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
A. 2/3 B. -2/3 C. 0 D. Inf
yuki
  • yuki
as n --> infinity you can see that P_n becomes -2/3 at that point you can already say that the sum S_n keeps decreasing so it won't converge.
anonymous
  • anonymous
I think this may be a mistake. it says 'the partial sums formula is..." and the infinite series is the limit of the partial sums. since that limit is clearly -2/3 that is what the series converges to. If the 'terms' of the series were ak = (2k+1)/(1-3k) then the sum of those terms would not converge since the limit is not zero.

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