Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 19:20Z
\frac{11}{4} \sum_{i=1}^{n} i^{2}
det| 3 1 ; 7 4 | = 5
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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d/dx [x^3] = 3x^2
det| 11 4 ; 5 12 | = 112
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det| 7 4 ; 4 8 | = 40
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\frac{12}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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F = ma
∑_{k=1}^{n} k = n(n+1)/2
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