Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:42Z
iħ ∂ψ/∂t = Ĥψ
det| 7 4 ; 4 8 | = 40
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10t² + 5t + 5 = 0
∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 8 9 ; 4 9 | = 36
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det| 8 7 ; 1 9 | = 65
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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\frac{12}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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