Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:27Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 6 ; 7 10 | = 48
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∫₀^∞ e^(-ψ²) dψ = √π / 2
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iħ ∂ψ/∂t = Ĥψ
det| 7 2 ; 7 8 | = 42
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3r² + 6r + 7 = 0
det| 5 2 ; 3 6 | = 24
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det| 3 7 ; 2 4 | = -2
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∑_{k=1}^{n} k = n(n+1)/2
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