Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:29Z
F = G m₁m₂ / r²
\lim_{x\to 0} \frac{\sin x}{x} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\oint_C \vec{F}\cdot d\vec{r} = 0
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2H₂ + O₂ → 2H₂O
det| 11 5 ; 0 12 | = 132
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det| 8 4 ; 0 9 | = 72
\frac{12}{7} \sum_{i=1}^{n} i^{2}
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det| 3 1 ; 4 4 | = 8
det| 9 4 ; 1 10 | = 86
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