zbiorem-wszystkich-wartosci-dla-ktorych-rownanie-orx2-xorm-z-niewiadoma

$[0,+\infty)$[0,+\infty)

$\displaystyle \left( \frac{1}{4},+\infty \right)$\displaystyle \left( \frac{1}{4},+\infty \right)

$\displaystyle \left[ \frac{1}{4},+\infty \right)$\displaystyle \left[ \frac{1}{4},+\infty \right)

$\displaystyle \left\{0\right\}\cup\left( \frac{1}{4},+\infty \right)$\displaystyle \left\{0\right\}\cup\left( \frac{1}{4},+\infty \right)