Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:52Z
∇ × E = −∂B/∂t
det| 10 2 ; 3 11 | = 104
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det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 2 3 ; 5 3 | = -9
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∂x/∂n = 6x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 3 7 ; 2 4 | = -2
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∫₀^∞ e^(-t²) dt = √π / 2
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