Σ index Rxn set 8 Ledger /9 Σ#24 Ledger /3 Ledger /15 Σ#12 Matrix 11 Batch 22 Eq pack 19 Matrix 17 Eq pack 13 Batch 16 Ledger /27 Eq pack 7

Symbolic Index /sym/ea4bfa

id=1 · host=au.commstar.world · 2026-10-20 14:32Z

∑_{k=1}^{n} k = n(n+1)/2

11t² + 9t + 7 = 0

244K

d/dz [z^11] = 11z^10

52K

det| 12 5 ; 4 13 | = 136

d/dx [x^5] = 5x^4

90K

N₂ + 3H₂ ⇌ 2NH₃

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 5 3 ; 2 6 | = 24

100K

det| 7 4 ; 4 8 | = 40

50K

det| 4 9 ; 7 5 | = -43

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

\oint_C \vec{F}\cdot d\vec{r} = 0

262K

det| 2 7 ; 7 3 | = -43

196K

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