Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:58Z
det| 6 2 ; 7 7 | = 28
det| 5 6 ; 4 6 | = 6
479K
∫₀^∞ e^(-x²) dx = √π / 2
\lim_{x\to 0} \frac{\sin x}{x} = 1
102K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
d/dψ [ψ^7] = 7ψ^6
det| 3 6 ; 0 4 | = 12
257K
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{2}{2} \sum_{i=1}^{n} i^{2}
46K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
164K