Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 16:07Z
det| 6 1 ; 3 7 | = 39
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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∇ × E = −∂B/∂t
det| 9 4 ; 1 10 | = 86
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\frac{1}{7} \sum_{i=1}^{n} i^{2}
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1ω² + 9ω + 7 = 0
\frac{11}{8} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{11}{6} \sum_{i=1}^{n} i^{2}
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∫₀^∞ e^(-x²) dx = √π / 2
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\frac{3}{2} \sum_{i=1}^{n} i^{2}
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