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Partial Fractions Made EASY — How They Create the Triangular Number Identity for 1/n #shorts #math
Why does this triangular-number sum equal exactly 1/n? Here’s the simple algebra behind the identity. Quick explanation with zero fluff. Using the structure of triangular numbers and a telescoping sum, we can rewrite any reciprocal 1/n using only triangular-number reciprocals. Super satisfying math moment 🔺 Perfect for students preparing ...
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