Answer:
Not arithmetic
Step-by-step explanation:
An arithmetic sequence has a common difference.
Let's see if this sequence has a common difference.
1/3 - 1/2 = 2/6 - 3/6 = -1/6
1/4 - 1/3 = 3/12 - 4/12 = -1/12
The differences are not equal. There is no common difference.
Answer: Not arithmetic
