Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:41Z
det| 2 3 ; 7 3 | = -15
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 4 ; 5 5 | = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 4 ; 4 8 | = 40
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∫₀^∞ e^(-ψ²) dψ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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