Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-19 16:11Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-α²) dα = √π / 2
129K
∫₀^∞ e^(-x²) dx = √π / 2
\frac{4}{6} \sum_{i=1}^{n} i^{2}
354K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\frac{3}{2} \sum_{i=1}^{n} i^{2}
224K
det| 3 9 ; 1 4 | = 3
452K
N₂ + 3H₂ ⇌ 2NH₃
det| 9 4 ; 1 10 | = 86
155K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
245K