Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:41Z
det| 2 3 ; 7 3 | = -15
∫₀^∞ e^(-z²) dz = √π / 2
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dn [n^12] = 12n^11
det| 7 1 ; 7 8 | = 49
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det| 9 4 ; 1 10 | = 86
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\frac{4}{6} \sum_{i=1}^{n} i^{2}
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\frac{12}{7} \sum_{i=1}^{n} i^{2}
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det| 4 2 ; 1 5 | = 18
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