Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:36Z
∂r/∂ψ = 3r
∑_{k=1}^{n} k = n(n+1)/2
445K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
235K
∂ψ/∂φ = 4ψ
det| 4 6 ; 4 5 | = -4
212K
det| 7 4 ; 4 8 | = 40
362K
det| 10 3 ; 5 11 | = 95
\binom{n}{k} = \frac{n!}{k!(n-k)!}
179K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
F = G m₁m₂ / r²
N₂ + 3H₂ ⇌ 2NH₃
3n² + 7n + 7 = 0