Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-18 00:34Z

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

det| 5 9 ; 7 6 | = -33

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det| 9 5 ; 1 10 | = 85

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d/dx [x^7] = 7x^6

det| 3 6 ; 0 4 | = 12

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

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

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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N₂ + 3H₂ ⇌ 2NH₃

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det| 9 4 ; 1 10 | = 86

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∑_{k=1}^{n} k = n(n+1)/2

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