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## Answers

where an is the nth term

a1 is the first term

n is the number of terms

r is the common ratio

for that particular problem, you have the given as:

an (a5) = 12

a1 = 3

n = 5

finding r you'll have:

getting the 2nd, 3rd and 4th terms you'll have:

therefore you'll have the geometric series as:

3,

**,**

__3√2____,__

**6****, 12**

__6√2__