Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:18Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
438K
2r² + 6r + 5 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
29K
E = mc²
∫₀^∞ e^(-β²) dβ = √π / 2
211K
∂y/∂y = 3y
det| 9 4 ; 1 10 | = 86
69K
ΔS ≥ 0
det| 9 7 ; 3 10 | = 69
352K
det| 4 5 ; 4 5 | = 0