Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 06:01Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
479K
det| 5 9 ; 4 6 | = -6
F = G m₁m₂ / r²
9ω² + 3ω + 5 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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9θ² + 8θ + 7 = 0
5t² + 8t + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 2 ; 2 5 | = 16