SOLUTION: The number of the sequence is 17, if the second one is 3, what is the first number?

Algebra ->  Sequences-and-series -> SOLUTION: The number of the sequence is 17, if the second one is 3, what is the first number?       Log On


   



Question 972271: The number of the sequence is 17, if the second one is 3, what
is the first number?

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
number of the sequence is 17?
********************************
arithmetic sequence
xn = a + d(n-1), where a is first number in sequence, d is common difference, xn is the nth term
********************************
geometric sequence
xn = ar^(n-1), where a is the first term, r is the common ratio, xn is the nth term
*********************************