Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:27Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
50K
det| 8 4 ; 0 9 | = 72
det| 3 1 ; 4 4 | = 8
det| 4 8 ; 3 5 | = -4
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6z² + 6z + 7 = 0
∂β/∂β = 9β
iħ ∂ψ/∂t = Ĥψ