Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:37Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
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∫₀^∞ e^(-r²) dr = √π / 2
∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 5 3 ; 6 6 | = 12
det| 3 1 ; 7 4 | = 5
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F = ma
∑_{k=1}^{n} k = n(n+1)/2
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det| 5 6 ; 7 6 | = -12
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CH₄ + 2O₂ → CO₂ + 2H₂O
d/dr [r^4] = 4r^3
9x² + 6x + 1 = 0