Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:14Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{β\to 0} \frac{\sin β}{β} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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3β² + 6β + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
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F = ma
det| 3 6 ; 0 4 | = 12
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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det| 11 4 ; 5 12 | = 112
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\oint_C \vec{F}\cdot d\vec{r} = 0
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