# How do you write the first five terms of the arithmetic sequence given #a_1=5/8, a_(k+1)=a_k-1/8# and find the common difference and write the nth term of the sequence as a function of n?

##### 1 Answer

Common difference is

#### Explanation:

Common difference is the difference between a term and it's immediately preceding term. In other words as first term is

Let us consider a term

but as in given case

As first term is

and

=

=