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

badreferences Group Title

Here's your math challenge of the day. Let (a_n) be a sequence of positive real numbers, decreasing and the sum of whose terms are infinite. Prove that the series whose general term is min(a_n) is also divergent. Taken from AoPS, and by extension, the German TST. It's a pretty problem.

  • 2 years ago
  • 2 years ago

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

    Sorry, I mean min(a_n, 1/n)

    • 2 years ago
  2. badreferences Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    X3 bad typo

    • 2 years ago
  3. TheWriter Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    ....

    • 2 years 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.