**Quadratic projective densities.** For every `q > 1`, the universal projective expressions of degree `2` take the values `1/2` (split), `(q² - q + 1) / (2(q² + q + 1))` (inert) and `q / (q² + q + 1)`

Initializing...

**Quadratic projective densities.** For every `q > 1`, the universal projective expressions of degree `2` take the values `1/2` (split), `(q² - q + 1) / (2(q² + q + 1))` (inert) and `q / (q² + q + 1)` · Prove2Me