Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:21Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
7z² + 2z + 5 = 0
det| 5 3 ; 2 6 | = 24
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dz [z^11] = 11z^10
390K
det| 3 2 ; 1 4 | = 10
det| 9 8 ; 0 10 | = 90
352K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
16K
∫₀^∞ e^(-ψ²) dψ = √π / 2
311K
det| 4 2 ; 4 5 | = 12
110K