Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:58Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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∂x/∂n = 6x
det| 9 4 ; 1 10 | = 86
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\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 5 2 ; 3 6 | = 24
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
N₂ + 3H₂ ⇌ 2NH₃
\lim_{x\to 0} \frac{\sin x}{x} = 1
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