Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 13:05Z
12t² + 1t + 5 = 0
∫₀^∞ e^(-ψ²) dψ = √π / 2
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d/dx [x^11] = 11x^10
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
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det| 9 8 ; 3 10 | = 66
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