Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-09-24 02:34Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
206K
∑_{k=1}^{n} k = n(n+1)/2
6ψ² + 2ψ + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
361K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
40K
∫₀^∞ e^(-ψ²) dψ = √π / 2
38K
∫₀^∞ e^(-n²) dn = √π / 2