How do I find the common difference of the arithmetic sequence 5, 9, 13, 17,...?
Each term increases by 4
Something to do with the four times table
4 8 12 16
You have to add one o each term so the rule is 4n+1
The common difference is
The common difference is the difference between two consecutive terms in a sequence. To find it, we just need to do simple subtraction.
Each time, we get