Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:09Z
∇²x = 0
8n² + 3n + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∂x/∂α = 7x
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 5 6 ; 2 6 | = 18
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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