Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:31Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
320K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\frac{12}{6} \sum_{i=1}^{n} i^{2}
90K
2r² + 6r + 5 = 0
det| 9 4 ; 1 10 | = 86
394K
det| 9 2 ; 3 10 | = 84
29K
E = mc²
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
94K
CH₄ + 2O₂ → CO₂ + 2H₂O
211K
∂y/∂y = 3y
\frac{7}{1} \sum_{i=1}^{n} i^{2}
390K
\lim_{r\to 0} \frac{\sin r}{r} = 1
69K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2