A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
Ayeshaafzal
 2 years ago
A series is given by the formula
Tn=3+2nn^2
(b) Find n if the nth term is −252.
Ayeshaafzal
 2 years ago
A series is given by the formula Tn=3+2nn^2 (b) Find n if the nth term is −252.

This Question is Closed

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0just plug in Tn = 252 then you get a quadratic equation in 'n' can you solve quadratic equations ?

manishsatywali
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1358754263944:dw

manishsatywali
 2 years ago
Best ResponseYou've already chosen the best response.2n can't b negative so take positive sign n = 2+32/2 n=17

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0@Ayeshaafzal ,can you work that out by yourself ??

Ayeshaafzal
 2 years ago
Best ResponseYou've already chosen the best response.0yes but i was confuse about using 2n in quadratic i didnt know we didnt have to use n in it
Ask your own question
Sign UpFind more explanations on OpenStudy
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
 Engagement 19 Mad Hatter
 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.