Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:12Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
11θ² + 3θ + 2 = 0
det| 7 7 ; 6 8 | = 14
det| 1 8 ; 4 2 | = -30
329K
det| 4 2 ; 6 5 | = 8
368K
7ψ² + 4ψ + 3 = 0
2x² + 9x + 3 = 0