Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:54Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{6}{3} \sum_{i=1}^{n} i^{2}
320K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
438K
2r² + 6r + 5 = 0
det| 1 2 ; 7 2 | = -12
29K
E = mc²
det| 9 5 ; 6 10 | = 60
94K
CH₄ + 2O₂ → CO₂ + 2H₂O
211K
∂y/∂y = 3y
∑_{k=1}^{n} k = n(n+1)/2
390K
ΔS ≥ 0
det| 7 4 ; 4 8 | = 40
144K
det| 4 5 ; 4 5 | = 0