Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:20Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
460K
\lim_{r\to 0} \frac{\sin r}{r} = 1
438K
d/dx [x^7] = 7x^6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
459K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
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∑_{k=1}^{n} k = n(n+1)/2
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\oint_C \vec{F}\cdot d\vec{r} = 0
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