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Question 0402c
Arithmetic and Geometric Progressions (APs, GPs)
GP III
Question
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Consider the infinite geometric series
−
2
−
1
−
1
2
−
…
- 2 - 1 - \frac{1}{2} - \ldots
−
2
−
1
−
2
1
−
…
Find the sum to infinity.
Attempt
S
∞
=
{S_\infty = }
S
∞
=
Answer
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