Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 08:10Z
10t² + 7t + 4 = 0
det| 4 8 ; 3 5 | = -4
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d/dα [α^9] = 9α^8
det| 8 7 ; 2 9 | = 58
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 4 ; 4 8 | = 40
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∂β/∂n = 6β
CH₄ + 2O₂ → CO₂ + 2H₂O
∇²ψ = 0
8r² + 7r + 1 = 0
e^{i\pi} + 1 = 0
CaCO₃ → CaO + CO₂