anonymous
  • anonymous
how do find out if a series converges or divereges??!? please help
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
wow this is like asking "how do I solve a math problem?" :P
anonymous
  • anonymous
well i jus want to know a general way...my teacher sucks!
anonymous
  • anonymous
There are a lot of different methods for proving different types of convergence, some of which are more appropriate than others for different series constructs. Take a look at http://en.wikipedia.org/wiki/Convergence_tests for an overview. If this is in response to a particular assignment or section of a book, I would focus on the methods discussed in the chapter.

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anonymous
  • anonymous
or you could write the problem you have trouble with.
anonymous
  • anonymous
sumation of (n+3)/(3n-4), where n starts frm 2 and goes to infintiy
amistre64
  • amistre64
well, at infinity it looks like it approaches 1/3 ..... but I aint sure if that proves convergence or not....
amistre64
  • amistre64
misha is a russian name.... means michelle or michael.... one who is like unto God :)
anonymous
  • anonymous
hahah misha isnt my name
amistre64
  • amistre64
is summation convergense the same as the limit of a horizontal asymptote? I aint really delved into those yet
anonymous
  • anonymous
haha i dont know. i didnt know you could just take limit..
amistre64
  • amistre64
all the numbers added up together would tend to converge to a number that is slowly and slowerly coming into view...is what I think it means
anonymous
  • anonymous
well I think using the test of divergence and since it does not approach zero as n approaches infinity, it is not convergent.
anonymous
  • anonymous
so I believe it diverges
anonymous
  • anonymous
soo it converges..? and they want the sum of the series..how do u do that?
anonymous
  • anonymous
it doesn't converge!!
amistre64
  • amistre64
lol...id have to read a book foirst before I could give you a definite answer :)
amistre64
  • amistre64
go with Anwar....hes smarter :) or she....
anonymous
  • anonymous
^^ lol I am not.. you're the man here! :)
anonymous
  • anonymous
I am a guy btw
anonymous
  • anonymous
so it has to go to 0 for it to be considered converging..??
amistre64
  • amistre64
i wanted a cool title like "turkey clun on rye" but noooooo......they give me "superhero" :)
amistre64
  • amistre64
club.....i meant club......its there fat fingers hovering over this tiny little keyboard....
anonymous
  • anonymous
yeah, if a series is convergent then it has to approach zero as n approaches infinity.,but be careful the opposite is not always.
anonymous
  • anonymous
always true*
anonymous
  • anonymous
NOT always true* (what's wrong with me?)
anonymous
  • anonymous
hahh no worries. thank u
anonymous
  • anonymous
If the limit of the summand is undefined or nonzero, that is , then the series cannot converge. In this sense, the partial sums are Cauchy only if this limit exists and is equal to zero. The test is inconclusive if the limit of the summand is zero.
anonymous
  • anonymous
yea i already used wiki..so this one doesnt converge so u cant find its sum rite.?
anonymous
  • anonymous
right!

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