Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 05:00Z
∑_{k=1}^{n} k = n(n+1)/2
11y² + 4y + 3 = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
155K
∫₀^∞ e^(-φ²) dφ = √π / 2
63K
d/dy [y^6] = 6y^5
8ω² + 6ω + 2 = 0
det| 5 3 ; 2 6 | = 24
176K
det| 4 4 ; 5 5 | = 0
319K
\frac{4}{2} \sum_{i=1}^{n} i^{2}
det| 2 7 ; 5 3 | = -29