Register to reply 
Arithmetic progression homeworkby Michael_Light
Tags: progression 
Share this thread: 
#1
Mar211, 10:52 PM

P: 117

1. The problem statement, all variables and given/known data
Need help with number (9).. 2. Relevant equations 3. The attempt at a solution Can anyone give me some hints? Thanks. 


#3
Mar1911, 11:56 PM

P: 44

S_{n}=3n^{2} + 4n
Hint: S_{1}=3+4=7 S_{2}=12+8=20 


Register to reply 
Related Discussions  
Finding the nth term  Precalculus Mathematics Homework  1  
Arithmetic progression used to determine geometric progression  Precalculus Mathematics Homework  3  
Finding x in a geometric progression, given the sum.  Precalculus Mathematics Homework  4  
Finding the nth term,,.. ..  Calculus & Beyond Homework  20  
Geometric progression, is this correct? ratio/first/next term  Calculus & Beyond Homework  4 