Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:30Z
∂r/∂ψ = 3r
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
235K
∂ψ/∂φ = 4ψ
∑_{k=1}^{n} k = n(n+1)/2
362K
det| 10 3 ; 5 11 | = 95
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
442K
3α² + 7α + 5 = 0
F = G m₁m₂ / r²