Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

INeedHelpPlease? Group Title

How to find nth term of the series,and therefore Sum of n terms?

  • 8 months ago
  • 8 months ago

  • This Question is Closed
  1. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[\Large S_n=\frac{1}{1.4} + \frac{1}{4.7} + \frac{1}{7.10}..n \]

    • 8 months ago
  2. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    @hartnn

    • 8 months ago
  3. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    n'th term 1/n(n+3)

    • 8 months ago
  4. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    but that doesn't match for n=3?

    • 8 months ago
  5. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1389456863526:dw| do this for every term

    • 8 months ago
  6. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yeah, 1/n(n+3) will not work,

    • 8 months ago
  7. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    that "...n" implies thatere are total n terms ?

    • 8 months ago
  8. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    yep

    • 8 months ago
  9. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    3n-2 3n+1

    • 8 months ago
  10. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    1/ [ (3n-2)(3n+1)] this works ?

    • 8 months ago
  11. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    how did u think of that ? :|

    • 8 months ago
  12. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    works i guess

    • 8 months ago
  13. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    easy difference of 3 so multiple of 3 1..4...7..are all 1 less than multiple of 3

    • 8 months ago
  14. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    ***two less than

    • 8 months ago
  15. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    did u get what to do for each term ? partial fraction kind of thingi

    • 8 months ago
  16. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    how do i find Sn now? partial fraction?i remember it kinda - 1/3((3n-2)-(3n+1))/(3n-2)(3n-3) ?

    • 8 months ago
  17. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    did u get what i did in the drawing ?

    • 8 months ago
  18. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    which drawing O_O

    • 8 months ago
  19. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    if yes, do it for 2nd term and tell me what u get

    • 8 months ago
  20. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    why did u do that?

    • 8 months ago
  21. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    1/4=3/4?

    • 8 months ago
  22. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    i'll correct it , wait

    • 8 months ago
  23. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1389457539226:dw|

    • 8 months ago
  24. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    do the same thing for 2nd term, then 3rd term, and observe what happens, then you'll know why that was done

    • 8 months ago
  25. INeedHelpPlease? Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    okay

    • 8 months ago
  26. hartnn Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    did you get your sum ?

    • 8 months ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.