Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:30Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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d/dx [x^7] = 7x^6
\lim_{r\to 0} \frac{\sin r}{r} = 1
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det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 5 3 ; 2 6 | = 24
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∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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