Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:22Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
479K
8β² + 2β + 0 = 0
det| 11 9 ; 5 12 | = 87
129K
∑_{k=1}^{n} k = n(n+1)/2
det| 4 4 ; 5 5 | = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{r\to 0} \frac{\sin r}{r} = 1
∑_{k=1}^{n} k = n(n+1)/2
153K
det| 12 1 ; 1 13 | = 155
det| 10 4 ; 1 11 | = 106
473K
\lim_{t\to 0} \frac{\sin t}{t} = 1