Answer:
2
Step-by-step explanation:
D since it looks pretty difficult
Sequence: 2 + 1 + 1/2 + 1/4 + 1/8 + ...
Explanation:
Here Given Sum to Infinity

Identify following
Solve:


The sum of this infinity series is 4
Answer:
-2/5
Step-by-step explanation:

Expand parentheses:

Hope this helps!