Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 06:47Z
∫₀^∞ e^(-x²) dx = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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det| 10 5 ; 3 11 | = 95
det| 4 4 ; 5 5 | = 0
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\lim_{β\to 0} \frac{\sin β}{β} = 1
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CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{n\to 0} \frac{\sin n}{n} = 1
12α² + 8α + 4 = 0
F = ma