Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 13:10Z
12t² + 1t + 5 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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d/dx [x^11] = 11x^10
∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{3}{2} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O