Identify the following series as arithmetic, geometric, both, or neither.

a) arithmetic
b) geometric
c) both
d) neither

First Option  is correct.

Step-by-step explanation:

Since we have given that

Here, a = 3

So, our sequence becomes,

So, we can see that there is a common difference i.e. 'd'.

So, it becomes an arithmetic progression.

Hence, First Option is correct.

step-by-step explanation:

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step-by-step explanation: