Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:12Z
F = G m₁m₂ / r²
∫₀^∞ e^(-θ²) dθ = √π / 2
244K
∑_{k=1}^{n} k = n(n+1)/2
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
50K
det| 8 4 ; 0 9 | = 72
∫₀^∞ e^(-φ²) dφ = √π / 2
137K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
197K
det| 3 1 ; 4 4 | = 8
6z² + 6z + 7 = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
218K
∑_{k=1}^{n} k = n(n+1)/2
299K
∂β/∂β = 9β
iħ ∂ψ/∂t = Ĥψ