Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:59Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
320K
det| 7 4 ; 4 8 | = 40
144K
det| 4 7 ; 0 5 | = 20
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
394K
∫₀^∞ e^(-x²) dx = √π / 2
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
94K
det| 5 6 ; 7 6 | = -12
211K
det| 12 4 ; 3 13 | = 144
det| 7 1 ; 7 8 | = 49
390K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
12γ² + 8γ + 0 = 0