Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-17 23:05Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

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d/dφ [φ^1] = 1φ^0

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

8ψ² + 7ψ + 0 = 0

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det| 10 2 ; 3 11 | = 104

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ω = 2πf

∇ × E = −∂B/∂t

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

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2n² + 4n + 0 = 0

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∑_{k=1}^{n} k = n(n+1)/2

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

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