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yawa3891 [41]
3 years ago
12

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

Mathematics
2 answers:
Tems11 [23]3 years ago
8 0

Answer:

b

Step-by-step explanation:

kifflom [539]3 years ago
8 0

Answer: First Option  is correct.

Step-by-step explanation:

Since we have given that

\sum_{n=1}^{n=\infty}(3+an)

Here, a = 3

So, our sequence becomes,

3+a,3+2a,3+3a,................

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

d=a_2-a_1=3+2a-(3+a)=3+2a-3-a=a

So, it becomes an arithmetic progression.

Hence, First Option is correct.

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