Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-20 00:08Z
7y² + 4y + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
330K
∂y/∂α = 5y
det| 7 4 ; 4 8 | = 40
85K
\frac{10}{3} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
61K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
301K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
435K
\oint_C \vec{F}\cdot d\vec{r} = 0
415K