Lattice Export /sym/dd21e1
id=887738 · host=de.formula-vault.cloud · 2026-10-13 05:58Z
∂n/∂r = 7n
7x² + 7x + 0 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
407K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 12 3 ; 6 13 | = 138
det| 4 2 ; 1 5 | = 18
4α² + 9α + 0 = 0