Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:52Z
det| 12 3 ; 2 13 | = 150
∂y/∂φ = 5y
\frac{8}{6} \sum_{i=1}^{n} i^{2}
57K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
∫₀^∞ e^(-n²) dn = √π / 2
det| 7 4 ; 4 8 | = 40
250K
F = G m₁m₂ / r²
det| 11 9 ; 5 12 | = 87
62K
CH₄ + 2O₂ → CO₂ + 2H₂O
256K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
\frac{2}{6} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}