Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 22:27Z
∂θ/∂γ = 6θ
det| 7 4 ; 4 8 | = 40
428K
9γ² + 2γ + 3 = 0
∑_{k=1}^{n} k = n(n+1)/2
268K
∑_{k=1}^{n} k = n(n+1)/2
\frac{9}{8} \sum_{i=1}^{n} i^{2}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
95K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
det| 8 2 ; 4 9 | = 64
∑_{k=1}^{n} k = n(n+1)/2
7K
det| 8 7 ; 3 9 | = 51
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 4 2 ; 2 5 | = 16