Math Dump /sym/058edd
id=900642 · host=jp.commstar.world · 2026-09-01 21:06Z
∫₀^∞ e^(-ψ²) dψ = √π / 2
det| 4 1 ; 6 5 | = 14
402K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 7 6 | = 9
398K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 7 ; 0 10 | = 90
det| 1 6 ; 0 2 | = 2
4ψ² + 4ψ + 7 = 0
det| 2 7 ; 3 3 | = -15
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃