Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-18 21:42Z
d/dx [x^11] = 11x^10
det| 7 4 ; 4 8 | = 40
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∫₀^∞ e^(-t²) dt = √π / 2
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4r² + 1r + 1 = 0
∂φ/∂θ = 6φ
det| 5 3 ; 2 6 | = 24
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∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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