Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 16:59Z
det| 6 2 ; 7 7 | = 28
det| 8 6 ; 6 9 | = 36
479K
∫₀^∞ e^(-x²) dx = √π / 2
∫₀^∞ e^(-y²) dy = √π / 2
102K
\frac{1}{3} \sum_{i=1}^{n} i^{2}
d/dψ [ψ^7] = 7ψ^6
det| 10 7 ; 3 11 | = 89
257K
∑_{k=1}^{n} k = n(n+1)/2
62K