Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:58Z
det| 6 2 ; 7 7 | = 28
det| 4 8 ; 3 5 | = -4
479K
∫₀^∞ e^(-x²) dx = √π / 2
\frac{12}{7} \sum_{i=1}^{n} i^{2}
102K
det| 8 5 ; 3 9 | = 57
57K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
264K
∑_{k=1}^{n} k = n(n+1)/2
276K
d/dψ [ψ^7] = 7ψ^6
F = G m₁m₂ / r²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 9 ; 5 10 | = 45
46K
∂α/∂n = 9α
4y² + 9y + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}