Math Dump /sym/0968ef
id=557214 · host=fr.findroms.cloud · 2026-09-12 10:17Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 6 ; 2 6 | = 18
381K
det| 3 7 ; 2 4 | = -2
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∫₀^∞ e^(-r²) dr = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
469K
11x² + 6x + 1 = 0
5φ² + 1φ + 3 = 0
∇²β = 0
∇²r = 0
det| 11 5 ; 5 12 | = 107
\oint_C \vec{F}\cdot d\vec{r} = 0