Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:33Z
∑_{k=1}^{n} k = n(n+1)/2
det| 1 4 ; 3 2 | = -10
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3β² + 6β + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
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F = ma
det| 11 9 ; 0 12 | = 132
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
1x² + 5x + 7 = 0
det| 9 4 ; 1 10 | = 86
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det| 1 4 ; 0 2 | = 2
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d/dy [y^11] = 11y^10
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