Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:33Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dx [x^7] = 7x^6
∑_{k=1}^{n} k = n(n+1)/2
411K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
459K
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
181K
CaCO₃ → CaO + CO₂