Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-25 08:27Z
3y² + 7y + 0 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
341K
∑_{k=1}^{n} k = n(n+1)/2
2z² + 8z + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K
d/dz [z^4] = 4z^3
det| 7 7 ; 4 8 | = 28
173K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
364K
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∂n/∂r = 8n