Puterea cu exponent rational exercitiu rezolvat 1

$$\left(\sqrt{2}\right)^x\:\cdot \:2\:>\frac{1}{8}=>$$

$$\left(2^{\frac{1}{2}}\right)^x\:\cdot \:2\:>\frac{1}{2^3}=>$$   

$$2^{\frac{x}{2}}\cdot 2>\:2^{-3}=>$$

$$2^{\frac{x}{2}+1}>\:2^{-3}=>$$

$$\frac{x}{2}+1\:>\:-3=>$$

$$\frac{x+2}{2}>-\frac{6}{2}=>$$

$$x+2>-6=>$$

$$x>-6-2=>$$

$$x>-8$$

Formule puterea cu exponent rational

Probleme si exercitii rezolvate clasa a-X-a

Probleme si exercitii rezolvate