Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-19 20:17Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-α²) dα = √π / 2

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∫₀^∞ e^(-θ²) dθ = √π / 2

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det| 8 9 ; 3 9 | = 45

∑_{k=1}^{n} k = n(n+1)/2

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10t² + 9t + 5 = 0

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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

det| 12 6 ; 0 13 | = 156

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∑_{k=1}^{n} k = n(n+1)/2

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det| 2 3 ; 3 3 | = -3

∑_{k=1}^{n} k = n(n+1)/2

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F = G m₁m₂ / r²

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\binom{n}{k} = \frac{n!}{k!(n-k)!}

d/dt [t^3] = 3t^2

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12n² + 2n + 2 = 0

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det| 9 4 ; 1 10 | = 86

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\frac{2}{2} \sum_{i=1}^{n} i^{2}

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