Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:11Z
9n² + 9n + 6 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
269K
∑_{k=1}^{n} k = n(n+1)/2
\frac{12}{7} \sum_{i=1}^{n} i^{2}
131K
det| 7 4 ; 4 8 | = 40
158K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
240K
det| 9 6 ; 0 10 | = 90
376K
ΔS ≥ 0
det| 2 4 ; 4 3 | = -10
344K
\oint_C \vec{F}\cdot d\vec{r} = 0
201K
∑_{k=1}^{n} k = n(n+1)/2
295K