Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:26Z
∂r/∂φ = 2r
det| 11 5 ; 0 12 | = 132
326K
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 3 7 ; 2 4 | = -2
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∫₀^∞ e^(-φ²) dφ = √π / 2
201K
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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