Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 2 6 | = 24
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d/dx [x^7] = 7x^6
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 9 ; 0 6 | = 30
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det| 7 9 ; 1 8 | = 47
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\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 1 4 ; 3 2 | = -10
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{4}{6} \sum_{i=1}^{n} i^{2}
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