How do you write an arithmetic series for which s_5=10?
1 Answer
May 10, 2017
Here's a method...
Explanation:
Take any arithmetic series with at least
For example:
1+2+3+4+5 = 15
So, multiplying by
2/3+4/3+6/3+8/3+10/3 = 10
For this example, the initial term is
a_n = 2/3+2/3(n-1)
or more simply:
a_n = 2/3n