Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-18 21:20Z
d/dx [x^11] = 11x^10
∫₀^∞ e^(-x²) dx = √π / 2
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4r² + 1r + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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∂φ/∂θ = 6φ
det| 2 1 ; 7 3 | = -1
det| 5 2 ; 3 6 | = 24
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