Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 14:33Z
∫₀^∞ e^(-ψ²) dψ = √π / 2
e^{i\pi} + 1 = 0
det| 1 1 ; 5 2 | = -3
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det| 3 6 ; 0 4 | = 12
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2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 9 ; 7 6 | = -33
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∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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