Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:03Z
\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)!}
\frac{4}{9} \sum_{i=1}^{n} i^{2}
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CH₄ + 2O₂ → CO₂ + 2H₂O
det| 11 6 ; 2 12 | = 120
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
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det| 1 3 ; 4 2 | = -10
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