Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 05:34Z
\frac{11}{2} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
36K
det| 11 9 ; 5 12 | = 87
269K
∑_{k=1}^{n} k = n(n+1)/2
4ψ² + 5ψ + 5 = 0
d/dz [z^11] = 11z^10
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 4 ; 5 5 | = 0
139K
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
det| 5 8 ; 7 6 | = -26
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1