Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:02Z
∂r/∂φ = 2r
det| 3 6 ; 0 4 | = 12
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e^{i\pi} + 1 = 0
det| 7 9 ; 1 8 | = 47
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-n²) dn = √π / 2
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\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dy [y^11] = 11y^10
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