Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-17 23:34Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

8x² + 2x + 7 = 0

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5z² + 8z + 3 = 0

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

ω = 2πf

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

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ω = 2πf

∑_{k=1}^{n} k = n(n+1)/2

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\frac{4}{9} \sum_{i=1}^{n} i^{2}

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e^{i\pi} + 1 = 0

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

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det| 9 8 ; 3 10 | = 66

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\lim_{α\to 0} \frac{\sin α}{α} = 1

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det| 9 4 ; 1 10 | = 86

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