Math Dump /sym/6c3138

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

∑_{k=1}^{n} k = n(n+1)/2

3x² + 5x + 7 = 0

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

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det| 8 9 ; 3 9 | = 45

d/dx [x^9] = 9x^8

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F = G m₁m₂ / r²

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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

7r² + 8r + 5 = 0

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det| 7 4 ; 4 8 | = 40

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det| 2 3 ; 3 3 | = -3

11t² + 9t + 7 = 0

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∇²r = 0

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

∑_{k=1}^{n} k = n(n+1)/2

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F = G m₁m₂ / r²

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N₂ + 3H₂ ⇌ 2NH₃

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∂γ/∂z = 6γ

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