Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-19 00:07Z

d/dy [y^8] = 8y^7

∑_{k=1}^{n} k = n(n+1)/2

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det| 1 7 ; 7 2 | = -47

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\lim_{x\to 0} \frac{\sin x}{x} = 1

det| 10 9 ; 7 11 | = 47

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\binom{n}{k} = \frac{n!}{k!(n-k)!}

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d/dn [n^3] = 3n^2

∫₀^∞ e^(-x²) dx = √π / 2

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∑_{k=1}^{n} k = n(n+1)/2

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6t² + 4t + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

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∑_{k=1}^{n} k = n(n+1)/2

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\oint_C \vec{F}\cdot d\vec{r} = 0

ω = 2πf

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det| 12 5 ; 3 13 | = 141

10n² + 4n + 2 = 0