Math Dump /sym/613fcc
id=732451 · host=fr.findroms.cloud · 2026-08-20 02:20Z
∇ × E = −∂B/∂t
4r² + 5r + 1 = 0
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
∇²r = 0
∑_{k=1}^{n} k = n(n+1)/2
79K
det| 8 3 ; 4 9 | = 60
∑_{k=1}^{n} k = n(n+1)/2
43K
det| 1 1 ; 2 2 | = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{9}{7} \sum_{i=1}^{n} i^{2}
det| 3 6 ; 0 4 | = 12
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-t²) dt = √π / 2