Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-20 09:36Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
293K
det| 1 7 ; 1 2 | = -5
128K
det| 7 4 ; 0 8 | = 56
AgNO₃ + NaCl → AgCl↓ + NaNO₃
86K
∫₀^∞ e^(-x²) dx = √π / 2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
127K
d/dγ [γ^12] = 12γ^11
320K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
5K
9x² + 7x + 1 = 0
∫₀^∞ e^(-z²) dz = √π / 2
184K
det| 9 8 ; 1 10 | = 82
426K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
323K
PV = nRT
∫₀^∞ e^(-t²) dt = √π / 2
363K