Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 17:56Z
d/dθ [θ^5] = 5θ^4
\binom{n}{k} = \frac{n!}{k!(n-k)!}
168K
det| 7 4 ; 4 8 | = 40
446K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
d/dr [r^4] = 4r^3
\frac{8}{6} \sum_{i=1}^{n} i^{2}
86K
7α² + 1α + 1 = 0
det| 4 2 ; 6 5 | = 8
224K
det| 10 7 ; 3 11 | = 89
234K
det| 12 3 ; 1 13 | = 153
\lim_{β\to 0} \frac{\sin β}{β} = 1
∂n/∂β = 5n
AgNO₃ + NaCl → AgCl↓ + NaNO₃