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
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 6 ; 1 8 | = 50
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
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det| 11 5 ; 0 12 | = 132
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