AMC / AIME · Geometric Sequences · Medium

Geometric Sequences: Find the infinite sum math.

Common ratios.

Try the problem

Find the infinite sum 1+12+14+⋯1+\frac12+\frac14+\cdots.

Hint and answer

Concept to use

Finite sums.

Hint

Use the finite or infinite geometric-sum formula.

Answer

2

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