Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 05:00Z
∑_{k=1}^{n} k = n(n+1)/2
det| 3 7 ; 2 4 | = -2
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11y² + 4y + 3 = 0
d/dy [y^6] = 6y^5
8ω² + 6ω + 2 = 0
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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\frac{4}{2} \sum_{i=1}^{n} i^{2}
det| 2 7 ; 5 3 | = -29
λ = h/p
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 6 7 ; 3 7 | = 21