Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 05:00Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
326K
11y² + 4y + 3 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
155K
det| 10 4 ; 1 11 | = 106
63K
d/dy [y^6] = 6y^5
8ω² + 6ω + 2 = 0
det| 9 4 ; 1 10 | = 86
176K
\frac{4}{2} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
359K
det| 2 7 ; 5 3 | = -29
λ = h/p
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 6 7 ; 3 7 | = 21