Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:37Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
460K
\lim_{r\to 0} \frac{\sin r}{r} = 1
438K
d/dx [x^7] = 7x^6
det| 7 4 ; 4 8 | = 40
186K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
448K
CH₄ + 2O₂ → CO₂ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
406K
N₂ + 3H₂ ⇌ 2NH₃
det| 12 2 ; 2 13 | = 152
181K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
80K
CaCO₃ → CaO + CO₂
∂β/∂r = 5β