Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:27Z
det| 6 2 ; 7 7 | = 28
det| 9 4 ; 1 10 | = 86
8K
∫₀^∞ e^(-x²) dx = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
264K
d/dψ [ψ^7] = 7ψ^6
∫₀^∞ e^(-φ²) dφ = √π / 2
257K
F = G m₁m₂ / r²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
164K