6(1+2x) is your answer in factorised form
IS there supposed to be an attachment i could look at?
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Answer:
The explicit formula is :
Step-by-step explanation:
Here, in the given GP sequence,
a(4) = 12, r = 2
Now, the general term in a geometric sequence is given as:
Now, here substituting the value of n = 4 , we get:
So, here the first term (a) in the sequence = 1.5
So, the explicit formula is given as :
Hence, the explicit formula is :
Answer:
i think its 15 (c+20 if not have a nice day