Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 17:57Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇ × E = −∂B/∂t
∫₀^∞ e^(-y²) dy = √π / 2
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det| 2 9 ; 0 3 | = 6
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
det| 4 6 ; 0 5 | = 20
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