Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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\frac{12}{4} \sum_{i=1}^{n} i^{2}
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iħ ∂ψ/∂t = Ĥψ
det| 4 8 ; 7 5 | = -36
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{5}{8} \sum_{i=1}^{n} i^{2}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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\frac{3}{7} \sum_{i=1}^{n} i^{2}
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det| 8 3 ; 5 9 | = 57
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