A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

an=(n-1)!/n^2,1≤n≤5

  • This Question is Closed
  1. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    just plug in the numbers 1 thru 5 for n to get the sequence

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

    i know but im gettin weird answers so i know im doin it wrong

  3. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok are you doing the factorials correctly 3! = 3*2*1

  4. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    for example, a1= 2, a2= 24, a3=181440 now i know thats wrong

  5. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    a1 = (1-1)!/1^2 a1 = 0!/1 0! = 1 a1 = 1

  6. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    a2 = (2-1)!/2^2 a2 = 1!/4 1! = 1 a2 = 1/4

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so a3= 2/9 ???

  8. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes good

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    n a4= 3/16, and a5=4/25 ??

  10. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    no thats wrong...

  11. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    a4 = 3*2*1/16

  12. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so a4=6/16 ???

  13. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes but remember to reduce

  14. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok so a4=3/8, ans a5=24/25 ???

  15. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    correct

  16. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ! means multiply every number til you get to one :)

  17. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    can u possibly help me with another problem? this one i dont get because it is a work problem...

  18. dumbcow
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok

  19. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thank you i just posted it

  20. 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...

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.