Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 18:39Z
6r² + 7r + 2 = 0
det| 3 6 ; 0 4 | = 12
75K
F = ma
det| 7 4 ; 4 8 | = 40
129K
det| 3 7 ; 1 4 | = 5
∫₀^∞ e^(-x²) dx = √π / 2
191K
ΔS ≥ 0
∫₀^∞ e^(-ψ²) dψ = √π / 2
473K
∑_{k=1}^{n} k = n(n+1)/2
188K