Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-24 20:20Z
d/dr [r^6] = 6r^5
\oint_C \vec{F}\cdot d\vec{r} = 0
347K
2β² + 3β + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 4 4 ; 5 5 | = 0
280K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
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det| 12 3 ; 5 13 | = 141
∑_{k=1}^{n} k = n(n+1)/2
190K
det| 4 1 ; 5 5 | = 15
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 5 ; 5 10 | = 65