The sum to infinity of 1 + 1/2 + 1/4 + 1/8 + ... is:

1. A 1
2. B 2 Correct answer
3. C 4
4. D ∞

Solution

GP with a=1, r=1/2. S∞ = a/(1-r) = 1/(1-1/2) = 1/(1/2) = 2.

About this question

Subject: Mathematics · Chapter: Sequences and Series · Topic: Geometric Progression

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