Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:45Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-ω²) dω = √π / 2
90K
∫₀^∞ e^(-y²) dy = √π / 2
91K
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
50K
det| 8 4 ; 0 9 | = 72
det| 3 1 ; 4 4 | = 8
∑_{k=1}^{n} k = n(n+1)/2
196K