Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 17:03Z
∑_{k=1}^{n} k = n(n+1)/2
8β² + 2β + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
276K
det| 7 9 ; 1 8 | = 47
129K
∑_{k=1}^{n} k = n(n+1)/2
det| 5 6 ; 2 6 | = 18
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\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 10 9 ; 0 11 | = 110
1K
det| 12 1 ; 1 13 | = 155
det| 9 4 ; 1 10 | = 86
473K
det| 1 4 ; 0 2 | = 2
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d/dy [y^11] = 11y^10
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