Yes, it can.
Eg: 1, 3, 5, 7 is a sequence with common diff 2
also 2,4,6,8 has CD of 2.
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The common difference is the difference between two numbers in an arithmetic sequence.
This is an arithmetic sequence with initial term a = 3 and common difference d = 2. Using the nth term formula for arithmetic sequences an = a + (n - 1)d we get an = 3 + (n - 1)(2) = 2n - 2 + 3 = 2n + 1.
arithmetic sequence
When quantities in a given sequence increase or decrease by a common difference,it is called to be in arithmetic progression.
Arithmetic, common difference 5.5