anonymous
  • anonymous
How do you know if a = (((-1)^n)(n^3)) / (n^3+2n^2+1) is going to diverge or converge?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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amistre64
  • amistre64
as n->inf?
amistre64
  • amistre64
that -1^n flips around alot....
amistre64
  • amistre64
bit other than that, it looks like it approaches 0....but thats just a guess

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amistre64
  • amistre64
divide everything by n^3 that gives you -1^n -------- 1 + ...... so it looks like it flips between 1 and -1.... might not converge

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