A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing


  • one year ago

Hey guys, I have an important question to ask. Suppose you have a power series, for instance (x^n)/n+3, with n running from 0 to infinity, and you want to calculate the function S(x) (obviously, in [-1,1), where the convergence is uniform). What I do is to take out of the series 1/x^3, so that I can derive the series in order to get a geometrical series etc. etc. etc. My question is: do I find the derivative of the series or the derivative of 1/x^3 times the series? I think I should derive only the series, my friend says the opposite...

  • This Question is Closed
  1. IrishBoy123
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    @freckles @ganeshie8

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[1/ x ^{3} \sum_{0}^{\infty}x ^{n+3}/(n+3)\] This is the damn thing I should derive, do I have to derive it all or just the series? (Thank you IrishBoy :D)

  3. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

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...


  • 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.