Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-21 05:14Z
∫₀^∞ e^(-n²) dn = √π / 2
det| 5 6 ; 7 6 | = -12
192K
e^{i\pi} + 1 = 0
det| 1 1 ; 5 2 | = -3
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det| 1 4 ; 3 2 | = -10
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d/dθ [θ^3] = 3θ^2
\lim_{α\to 0} \frac{\sin α}{α} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\frac{12}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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\frac{12}{6} \sum_{i=1}^{n} i^{2}
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det| 9 4 ; 1 10 | = 86
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