Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:14Z
det| 12 9 ; 4 13 | = 120
∑_{k=1}^{n} k = n(n+1)/2
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∂α/∂n = 1α
det| 7 4 ; 4 8 | = 40
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det| 7 9 ; 3 8 | = 29
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-x²) dx = √π / 2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-ψ²) dψ = √π / 2
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