Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:01Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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8β² + 2β + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{r\to 0} \frac{\sin r}{r} = 1
\lim_{α\to 0} \frac{\sin α}{α} = 1
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det| 12 1 ; 1 13 | = 155
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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