Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 18:39Z
6r² + 7r + 2 = 0
∫₀^∞ e^(-x²) dx = √π / 2
75K
∑_{k=1}^{n} k = n(n+1)/2
479K
F = ma
det| 3 7 ; 2 4 | = -2
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det| 3 7 ; 1 4 | = 5
∑_{k=1}^{n} k = n(n+1)/2
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det| 7 4 ; 4 8 | = 40
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ΔS ≥ 0