Math Dump /sym/a97d07
id=674569 · host=fr.findroms.cloud · 2026-08-20 02:14Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
79K
4φ² + 9φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
43K
12α² + 6α + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{n\to 0} \frac{\sin n}{n} = 1
4z² + 9z + 1 = 0
d/dr [r^11] = 11r^10
∫₀^∞ e^(-ψ²) dψ = √π / 2