Infinite Geometric Series Visualization
A geometric proof that
1/3 = ∑_{i=1}^∞ 1/4^i = 1/4 + 1/4² + 1/4³ + 1/4⁴ + 1/4⁵ + ⋯
The shaded triangles inside the large triangle represent the successive terms of the series; their areas sum to exactly one-third the area of the large triangle.
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