Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 05:59Z
\frac{11}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
det| 7 7 ; 4 8 | = 28
131K
det| 3 6 ; 0 4 | = 12
158K
4ψ² + 5ψ + 5 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 8 ; 3 5 | = -4
139K
det| 11 9 ; 0 12 | = 132
344K
ω = 2πf
det| 5 8 ; 7 6 | = -26
\binom{n}{k} = \frac{n!}{k!(n-k)!}
295K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1