Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 12:58Z
2ψ² + 5ψ + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
479K
N₂ + 3H₂ ⇌ 2NH₃
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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det| 7 4 ; 4 8 | = 40
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\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∇²z = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 3 7 ; 2 4 | = -2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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