Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 19:22Z
\frac{11}{4} \sum_{i=1}^{n} i^{2}
d/dx [x^3] = 3x^2
det| 3 1 ; 7 4 | = 5
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\frac{12}{8} \sum_{i=1}^{n} i^{2}
det| 1 4 ; 3 2 | = -10
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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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