Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:31Z
∑_{k=1}^{n} k = n(n+1)/2
det| 10 9 ; 0 11 | = 110
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∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
det| 1 4 ; 0 2 | = 2
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F = ma
det| 7 9 ; 1 8 | = 47
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
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1x² + 5x + 7 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
473K
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
3φ² + 8φ + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}