Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:20Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
428K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 9 1 ; 6 10 | = 84
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-θ²) dθ = √π / 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
7K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-θ²) dθ = √π / 2
54K
F = G m₁m₂ / r²