Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-19 20:21Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

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det| 12 1 ; 5 13 | = 151

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det| 8 9 ; 3 9 | = 45

det| 1 4 ; 3 2 | = -10

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11t² + 9t + 7 = 0

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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

F = G m₁m₂ / r²

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

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det| 2 3 ; 3 3 | = -3

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

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∑_{k=1}^{n} k = n(n+1)/2

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

det| 7 4 ; 4 8 | = 40

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∫₀^∞ e^(-θ²) dθ = √π / 2

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∇ × E = −∂B/∂t

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