Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 20:50Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 3 7 ; 2 4 | = -2
326K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 1 1 ; 5 2 | = -3
155K
det| 4 7 ; 5 5 | = -15
det| 7 4 ; 4 8 | = 40
366K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
201K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
319K
d/dω [ω^8] = 8ω^7
∑_{k=1}^{n} k = n(n+1)/2
263K
\frac{9}{3} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
233K