Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:17Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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3β² + 6β + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
\oint_C \vec{F}\cdot d\vec{r} = 0
129K
F = ma
det| 4 8 ; 3 5 | = -4
191K
det| 4 4 ; 5 5 | = 0
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
153K
1x² + 5x + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
338K