Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:39Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
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d/dx [x^7] = 7x^6
det| 7 2 ; 7 8 | = 42
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-x²) dx = √π / 2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 3 1 ; 7 4 | = 5
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det| 7 4 ; 4 8 | = 40
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