Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-18 17:22Z

det| 11 2 ; 2 12 | = 128

\lim_{r\to 0} \frac{\sin r}{r} = 1

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∑_{k=1}^{n} k = n(n+1)/2

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CaCO₃ → CaO + CO₂

det| 7 4 ; 4 8 | = 40

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

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3θ² + 7θ + 1 = 0

8x² + 2x + 7 = 0

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N₂ + 3H₂ ⇌ 2NH₃

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d/dx [x^3] = 3x^2

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∫₀^∞ e^(-x²) dx = √π / 2

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