Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:38Z
∇ × E = −∂B/∂t
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 9 8 ; 3 10 | = 66
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∫₀^∞ e^(-ψ²) dψ = √π / 2
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