Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:20Z
det| 6 2 ; 7 7 | = 28
det| 1 2 ; 7 2 | = -12
479K
∫₀^∞ e^(-x²) dx = √π / 2
det| 4 8 ; 3 5 | = -4
102K
\lim_{α\to 0} \frac{\sin α}{α} = 1
57K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
d/dψ [ψ^7] = 7ψ^6
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
62K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
164K
4y² + 9y + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}