Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:38Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
∑_{k=1}^{n} k = n(n+1)/2
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 8 9 ; 4 9 | = 36
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det| 8 8 ; 0 9 | = 72
λ = h/p
det| 1 4 ; 3 2 | = -10
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