Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:39Z
\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
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 2 ; 6 5 | = 8
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{4}{6} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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det| 12 1 ; 5 13 | = 151
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