Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 23:10Z
11t² + 7t + 4 = 0
det| 5 9 ; 7 6 | = -33
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E = mc²
det| 10 9 ; 0 11 | = 110
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 9 ; 5 12 | = 87
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det| 1 4 ; 0 2 | = 2
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∑_{k=1}^{n} k = n(n+1)/2
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det| 7 4 ; 4 8 | = 40
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