Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:08Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-x²) dx = √π / 2
144K
det| 4 7 ; 0 5 | = 20
det| 4 8 ; 3 5 | = -4
438K
∑_{k=1}^{n} k = n(n+1)/2
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 2 ; 3 10 | = 84
94K
det| 12 4 ; 3 13 | = 144
\frac{8}{9} \sum_{i=1}^{n} i^{2}
12γ² + 8γ + 0 = 0
9t² + 4t + 4 = 0