Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 17:58Z
d/dθ [θ^5] = 5θ^4
det| 7 4 ; 4 8 | = 40
168K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-θ²) dθ = √π / 2
144K
d/dr [r^4] = 4r^3
\frac{3}{2} \sum_{i=1}^{n} i^{2}
259K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
7α² + 1α + 1 = 0
det| 3 6 ; 0 4 | = 12
224K
∑_{k=1}^{n} k = n(n+1)/2
234K
det| 12 3 ; 1 13 | = 153
det| 12 1 ; 5 13 | = 151
218K
\lim_{β\to 0} \frac{\sin β}{β} = 1
∂n/∂β = 5n
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 5 ; 2 6 | = 20