Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-18 22:03Z

3n² + 7n + 7 = 0

det| 2 6 ; 0 3 | = 6

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det| 9 4 ; 1 10 | = 86

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∫₀^∞ e^(-ω²) dω = √π / 2

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

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det| 3 6 ; 0 4 | = 12

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\frac{10}{6} \sum_{i=1}^{n} i^{2}

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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det| 10 2 ; 3 11 | = 104

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d/dr [r^12] = 12r^11

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

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

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

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12n² + 2n + 2 = 0

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8x² + 2x + 7 = 0

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∑_{k=1}^{n} k = n(n+1)/2

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