Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-18 23:56Z
d/dα [α^11] = 11α^10
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{3}{5} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
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λ = h/p
\lim_{α\to 0} \frac{\sin α}{α} = 1
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det| 9 4 ; 1 10 | = 86
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det| 3 1 ; 7 4 | = 5
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\lim_{t\to 0} \frac{\sin t}{t} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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det| 10 2 ; 1 11 | = 108
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