Tigertigre2000
New member
- Joined
- Aug 20, 2006
- Messages
- 23
a, 3a
The first tem in the sequence above is "a",
and each term after the first is 3 times the preceding term.
If the sum of the first 5 terms is 605, what is the value of "a"?
How do u solve it.... is there a certain formula for this problem?
The first tem in the sequence above is "a",
and each term after the first is 3 times the preceding term.
If the sum of the first 5 terms is 605, what is the value of "a"?
How do u solve it.... is there a certain formula for this problem?