Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 20:52Z
det| 1 9 ; 3 2 | = -25
∑_{k=1}^{n} k = n(n+1)/2
479K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 11 4 ; 0 12 | = 132
∫₀^∞ e^(-n²) dn = √π / 2
276K
∫₀^∞ e^(-r²) dr = √π / 2
det| 7 4 ; 4 8 | = 40
250K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
256K
∂y/∂r = 4y