From the sequence 9,24,39,...find S18.
Answers
Answered by
0
36i,5267,262772,1561618181,15167118,1516718
Answered by
1
Answer:
Your input 9,24,39,54,69,84,99,114 appears to be an arithmetic sequence. Find the difference between the members. a2-a1=24-9=15; a3-a2=39-24=15 ...
Similar questions