Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:32Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
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det| 8 8 ; 0 9 | = 72
∑_{k=1}^{n} k = n(n+1)/2
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λ = h/p
det| 7 2 ; 7 8 | = 42
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det| 5 9 ; 7 6 | = -33
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det| 4 6 ; 4 5 | = -4
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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