Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-19 00:45Z

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

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

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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

d/dt [t^3] = 3t^2

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

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

∇ × E = −∂B/∂t

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det| 9 4 ; 1 10 | = 86

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det| 4 7 ; 2 5 | = 6

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det| 5 2 ; 3 6 | = 24

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