Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-19 16:41Z
\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
det| 7 4 ; 4 8 | = 40
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\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 5 9 ; 7 6 | = -33
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\oint_C \vec{F}\cdot d\vec{r} = 0
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