Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:41Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
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d/dx [x^7] = 7x^6
det| 3 1 ; 7 4 | = 5
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det| 4 2 ; 6 5 | = 8
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{β\to 0} \frac{\sin β}{β} = 1
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det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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