Answer:
d.
Step-by-step explanation: the other person said it and they seem to be way smarter then i am so pick d
d
Explanation:
The sum to n terms of a geometric sequence is
=
where a is the first term and r the common ratio
Here a = 3 and r = 12 ÷ 3 = 4 , thus
= = 65536 - 1 = 65535 → d
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