What is the formula for the nth term of an arithmetic and geometric sequence?
The formula for the
n
th term of an arithmetic sequence is: a
n
= a + (n - 1)d,
where
a
is the first term and
d
is the common difference.
The formula for the
n
th term of a geometric sequence is: a
n
= a · r
n-1
,
where
a
is the first term and
r
is the common ratio.