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
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
4ψ² + 5ψ + 5 = 0
det| 6 4 ; 4 7 | = 26
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
ω = 2πf
\lim_{x\to 0} \frac{\sin x}{x} = 1
91K
det| 9 4 ; 1 10 | = 86
201K
∑_{k=1}^{n} k = n(n+1)/2
295K