Math Dump /sym/bfc801
id=586489 · host=fr.findroms.cloud · 2026-08-20 02:14Z
∇ × E = −∂B/∂t
det| 9 1 ; 5 10 | = 85
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
79K
det| 4 3 ; 4 5 | = 8
∑_{k=1}^{n} k = n(n+1)/2
43K
det| 3 6 ; 3 4 | = -6
5x² + 2x + 4 = 0
6ψ² + 5ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²y = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O