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anonymous

  • 5 years ago

how do find out if a series converges or divereges??!? please help

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  1. anonymous
    • 5 years ago
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    wow this is like asking "how do I solve a math problem?" :P

  2. anonymous
    • 5 years ago
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    well i jus want to know a general way...my teacher sucks!

  3. anonymous
    • 5 years ago
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    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.

  4. anonymous
    • 5 years ago
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    or you could write the problem you have trouble with.

  5. anonymous
    • 5 years ago
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    sumation of (n+3)/(3n-4), where n starts frm 2 and goes to infintiy

  6. amistre64
    • 5 years ago
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    well, at infinity it looks like it approaches 1/3 ..... but I aint sure if that proves convergence or not....

  7. amistre64
    • 5 years ago
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    misha is a russian name.... means michelle or michael.... one who is like unto God :)

  8. anonymous
    • 5 years ago
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    hahah misha isnt my name

  9. amistre64
    • 5 years ago
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    is summation convergense the same as the limit of a horizontal asymptote? I aint really delved into those yet

  10. anonymous
    • 5 years ago
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    haha i dont know. i didnt know you could just take limit..

  11. amistre64
    • 5 years ago
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    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

  12. anonymous
    • 5 years ago
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    well I think using the test of divergence and since it does not approach zero as n approaches infinity, it is not convergent.

  13. anonymous
    • 5 years ago
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    so I believe it diverges

  14. anonymous
    • 5 years ago
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    soo it converges..? and they want the sum of the series..how do u do that?

  15. anonymous
    • 5 years ago
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    it doesn't converge!!

  16. amistre64
    • 5 years ago
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    lol...id have to read a book foirst before I could give you a definite answer :)

  17. amistre64
    • 5 years ago
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    go with Anwar....hes smarter :) or she....

  18. anonymous
    • 5 years ago
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    ^^ lol I am not.. you're the man here! :)

  19. anonymous
    • 5 years ago
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    I am a guy btw

  20. anonymous
    • 5 years ago
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    so it has to go to 0 for it to be considered converging..??

  21. amistre64
    • 5 years ago
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    i wanted a cool title like "turkey clun on rye" but noooooo......they give me "superhero" :)

  22. amistre64
    • 5 years ago
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    club.....i meant club......its there fat fingers hovering over this tiny little keyboard....

  23. anonymous
    • 5 years ago
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    yeah, if a series is convergent then it has to approach zero as n approaches infinity.,but be careful the opposite is not always.

  24. anonymous
    • 5 years ago
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    always true*

  25. anonymous
    • 5 years ago
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    NOT always true* (what's wrong with me?)

  26. anonymous
    • 5 years ago
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    hahh no worries. thank u

  27. anonymous
    • 5 years ago
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    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.

  28. anonymous
    • 5 years ago
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    yea i already used wiki..so this one doesnt converge so u cant find its sum rite.?

  29. anonymous
    • 5 years ago
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    right!

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