Math Dump /sym/feb105
id=707104 · host=jp.commstar.world · 2026-09-01 21:15Z
2H₂ + O₂ → 2H₂O
det| 4 1 ; 6 5 | = 14
402K
\lim_{α\to 0} \frac{\sin α}{α} = 1
det| 5 3 ; 7 6 | = 9
398K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
det| 1 9 ; 0 2 | = 2
11r² + 5r + 7 = 0
6φ² + 7φ + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dα [α^4] = 4α^3
∫₀^∞ e^(-ψ²) dψ = √π / 2
9θ² + 7θ + 5 = 0
e^{i\pi} + 1 = 0