Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:40Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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d/dx [x^7] = 7x^6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 8 ; 7 3 | = -50
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CH₄ + 2O₂ → CO₂ + 2H₂O
det| 5 3 ; 7 6 | = 9
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N₂ + 3H₂ ⇌ 2NH₃
det| 9 4 ; 1 10 | = 86
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