Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 22:25Z
3n² + 7n + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
460K
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-ω²) dω = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{10}{6} \sum_{i=1}^{n} i^{2}
\frac{12}{6} \sum_{i=1}^{n} i^{2}
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d/dr [r^12] = 12r^11
det| 9 4 ; 1 10 | = 86
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d/dφ [φ^5] = 5φ^4
2H₂ + O₂ → 2H₂O
∫₀^∞ e^(-θ²) dθ = √π / 2
\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 4 8 ; 3 5 | = -4