Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:03Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{8}{1} \sum_{i=1}^{n} i^{2}
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d/dx [x^7] = 7x^6
\frac{9}{4} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{r\to 0} \frac{\sin r}{r} = 1
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det| 1 4 ; 3 2 | = -10
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CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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