Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-18 21:42Z
d/dx [x^11] = 11x^10
∑_{k=1}^{n} k = n(n+1)/2
234K
det| 7 4 ; 4 8 | = 40
278K
4r² + 1r + 1 = 0
∂φ/∂θ = 6φ
det| 2 1 ; 7 3 | = -1
\frac{10}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
412K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O