Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:50Z
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 3 1 ; 7 4 | = 5
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det| 4 8 ; 3 5 | = -4
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