Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:41Z
∂r/∂φ = 2r
∫₀^∞ e^(-n²) dn = √π / 2
198K
e^{i\pi} + 1 = 0
det| 11 4 ; 5 12 | = 112
155K
∑_{k=1}^{n} k = n(n+1)/2
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
366K
∑_{k=1}^{n} k = n(n+1)/2
319K
det| 7 6 ; 1 8 | = 50
359K
det| 9 4 ; 1 10 | = 86
263K