Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-20 06:31Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

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

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e^{i\pi} + 1 = 0

det| 7 4 ; 4 8 | = 40

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∇ × E = −∂B/∂t

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2H₂ + O₂ → 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

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Fe₂O₃ + 3CO → 2Fe + 3CO₂

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F = G m₁m₂ / r²

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8x² + 2x + 7 = 0

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