Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-19 00:06Z

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

∑_{k=1}^{n} k = n(n+1)/2

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∑_{k=1}^{n} k = n(n+1)/2

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

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

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det| 7 2 ; 7 8 | = 42

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

det| 5 4 ; 5 6 | = 10

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9α² + 7α + 5 = 0

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∇²ψ = 0

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12γ² + 9γ + 1 = 0

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\frac{2}{2} \sum_{i=1}^{n} i^{2}

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1y² + 7y + 3 = 0

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det| 4 7 ; 0 5 | = 20

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