Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 01:37Z
\frac{12}{9} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-r²) dr = √π / 2
det| 11 9 ; 5 12 | = 87
155K
det| 9 4 ; 1 10 | = 86
63K
det| 5 3 ; 6 6 | = 12
∑_{k=1}^{n} k = n(n+1)/2
366K
∑_{k=1}^{n} k = n(n+1)/2
201K
F = ma
det| 6 6 ; 3 7 | = 24
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det| 5 6 ; 7 6 | = -12
319K
CH₄ + 2O₂ → CO₂ + 2H₂O
d/dr [r^4] = 4r^3
9x² + 6x + 1 = 0