Search found 1 match
You guys are probably missing something...
if you consider Sn = n (A1 + An)/2
where n = number of terms , A1 = the first term of the sequence, An = the last term of the sequence,
you'll get the answer..
- by nino.ufscar
Tue Aug 17, 2010 5:58 pm- Forum: Problem Solving
- Topic: Confused with calculating the sum of consecutive numbers
- Replies: 5
- Views: 7113